Why Moral Relativism Fails

by Brenton L. Delp

Locke (2013) and the Persistence of Obligation

The Child, Sacrifice, and the Birth of Obligation

A man leaves work and gets into his car. He is expected home by his wife and two sons, who are waiting to watch a football match with him. The following morning he is supposed to supervise the largest concrete pour of his career, an operation so technically demanding that a single mistake could compromise the structure rising above it. Instead of driving home, however, Ivan Locke turns toward London. A woman with whom he spent one night several months earlier has gone into premature labor. She is carrying his child. Locke does not love her, does not intend to leave his family for her, and does not imagine that his presence at the hospital will repair the betrayal that produced the pregnancy. He knows that the journey may destroy his marriage and cost him his job. Nevertheless, he continues driving because he has decided that the child will not enter the world without him.¹

Steven Knight’s Locke unfolds almost entirely within the car as Ivan attempts to manage the consequences of that turn. Through telephone conversations, his carefully ordered life collapses around him. He tells his wife what happened. His employer dismisses him. His younger colleague struggles to assume control of the concrete pour. His sons cannot understand why their father will not return home. Bethan, frightened and alone, repeatedly seeks reassurance that he is coming. Locke continues south while trying to hold together, through voice alone, the structures from which his bodily presence has been withdrawn. The dramatic question is not whether he can preserve his life as it was. That possibility disappears almost immediately. The question is why he refuses to turn around even after the cost becomes unmistakable.

The film gives a psychologically compelling answer. Locke was himself the child of an affair, and his father abandoned him. Throughout the journey he addresses the absent or dead father as though the man were seated behind him. He condemns him, argues with him, and promises not to repeat him. The father did not remain, did not acknowledge the son, and, in Locke’s bitter recollection, did not even give him a proper name. Ivan therefore reduces fatherhood to two elemental acts: “I will give the baby my name and it will see my face.” The child must know whose child it is, and the father must appear. Naming and presence become the minimum forms of recognition through which a human being is admitted into a lineage rather than abandoned outside it.

The importance of the name extends beyond legal identification. Locke believes that he has repaired something damaged in the inheritance he received. He has made the name reliable through years of disciplined work, marital fidelity, technical competence, and paternal presence. He has, as he says elsewhere, straightened the name out. The coming child threatens to repeat the disorder from which this identity arose, but it also gives Locke the opportunity to prevent the repetition from reaching the same conclusion. His father conceived a child and disappeared. Locke has conceived a child and will appear. The journey to London is therefore not only an act of responsibility toward Bethan or the infant. It is an attempt to alter the meaning of the name Locke by acting differently at the exact point where his father failed.

This is the emotional center of the film, but it is not yet an adequate foundation for the moral claim the film discloses. Locke’s abandonment explains why the obligation possesses such overwhelming force for him. It does not explain why the obligation exists. Had Locke grown up with a loving and attentive father, would he possess less responsibility toward the child he conceived? If another man had never experienced abandonment and therefore felt no traumatic identification with an unwanted child, would abandonment become permissible for him? The answer cannot depend entirely upon biography without reducing morality to the accidents of personal history. Locke’s wound makes him unusually capable of hearing one particular claim, but it does not create the claim from nothing. His father did not manufacture the child’s moral significance. He created the psychological conditions under which Locke could recognize it.

This distinction separates psychological explanation from moral justification. Psychology asks why this person acts. Ethics asks whether the action is right. Metaphysics asks what kind of reality must exist for an obligation to bind at all. Childhood experience may explain cruelty without justifying cruelty. Trauma may explain betrayal without transforming betrayal into fidelity. Attachment history may explain why one parent feels devotion while another feels indifference, but it cannot establish that the indifferent parent is therefore released from responsibility. A causal history tells us how a person became capable or incapable of responding. It does not by itself tell us whether the demand to which the person responds is true.

Modern consciousness frequently confuses these questions because it has become far more confident in psychological explanation than in metaphysical judgment. We know how to describe attachment, trauma, projection, intergenerational repetition, social conditioning, neurobiology, and adaptive behavior. We can explain why Locke is determined not to become his father. We may even explain why human beings evolved dispositions toward parental care. Yet the word ought introduces something that causal explanation does not contain. Evolution may explain how caregiving tendencies emerged, but it cannot by itself explain why an individual ought to care when care brings no advantage. Psychology may explain why guilt occurs, but it cannot decide whether guilt recognizes an actual wrong or merely reflects conditioning. Sociology may show how fatherhood is culturally constructed, but it cannot tell us whether a culture that permits fathers to abandon inconvenient children is morally adequate.

The infant exposes this inadequacy with unusual clarity because the infant is perhaps the primordial manifestation of obligation. Before contract, reciprocity, merit, law, argument, or conscious moral choice, there is another human being who cannot survive alone. The baby has made no promise, performed no service, accumulated no achievement, and demonstrated no capacity to repay care. It cannot justify its existence to those upon whom it depends. If morality were fundamentally contractual, the infant could offer nothing in exchange. If worth were determined by productivity, autonomy, intelligence, or social contribution, the newborn would possess almost none. Nevertheless, the child appears not merely as a biological object requiring maintenance but as a life toward which someone is answerable.

The baby is therefore the first act of obligation on nearly every level. Biologically, human infancy is a prolonged condition of dependence. Psychologically, the child’s need interrupts the adult’s self-containment. Socially, care precedes every later contract because no future participant in society survives without unchosen care. Politically, the protection of the vulnerable supplies one of the first tests of legitimate authority. Ethically, the infant possesses a claim without having earned it. Metaphysically, the arrival of the child transforms what is possible into what has occurred: another being now exists whose fate has become entangled with ours. The parents may not yet know what they feel, what they believe, or what they are prepared to sacrifice. The obligation has already begun.

Locke understands this through the practical grammar of causation. The child exists because of an act in which he participated. It was, as he repeatedly acknowledges, caused by him. He cannot reverse that causation by wishing that the circumstances were otherwise. “A baby is something that cannot be stopped.” The sentence is not a complete argument about reproductive ethics or paternal responsibility, but within the film it expresses the moment when possibility becomes reality. Locke has brought something into being that now exceeds his intentions. The child was not part of his plan, but the child’s existence is no longer contained within the private night that produced it. An action has become another life.

This gives obligation an ontological depth that preference cannot reach. The obligation does not arise merely because Locke happens to value fatherhood. His values are now answerable to a reality they did not fully intend. Something has been made, and what has been made has acquired a claim upon its maker. The claim is not unlimited; it does not automatically determine every particular action Locke must take, nor does it erase the claims of his wife and existing sons. But it changes the moral landscape before Locke reaches any conclusion about what he wants. The child’s being has introduced an ought that did not exist in the same form before. Obligation follows being before it follows belief.

The construction imagery running through the film is therefore not decorative. It is Locke’s secular metaphysics. He understands reality through foundations, materials, workmanship, consequences, and repair. Concrete is indifferent to excuses. Once mixed and poured, it must be handled according to what it is rather than according to what the builder wishes it had been. A bad foundation cannot be corrected by sincere intention after it has set. Weight descends through the structure whether the engineer believes in gravity or not. Locke has devoted his life to ensuring that what is built can bear what will later rest upon it, and he interprets his moral crisis through the same logic. He has built a situation through his action. He cannot erase it, but he can refuse to drive away from the consequences.

His approach is neither conventionally religious nor simply secular in the shallow sense. Locke occasionally uses the language of prayer, but prayer does not replace action. Imagining that the child may be born safely, that the concrete pour may succeed, and that his family may somehow endure, he says, “That is my prayer.” Yet elsewhere he insists that concrete cannot be entrusted to faith. One may pray that the structure stands, but one must still calculate, test, prepare, and remain. Faith, where it survives, is hope that the world may yet hold together; obligation is the work undertaken because hope alone cannot make it so.

This distinction matters for the larger problem of morality after transcendence. Religious faith traditionally placed obligation within an encompassing order. The child was created by God, the parent entrusted with its care, and the commandment supported by divine judgment. Locke does not explicitly inhabit such a world. No priest directs him toward London. No revelation tells him which competing duty takes precedence. No promise assures him that obedience will restore his family or redeem his reputation. His obligation is experienced as absolute even though the metaphysical source of that absoluteness remains unnamed. He acts without a final theory of why he must act.

Yet the film also refuses to make obligation simple. Locke’s unborn child is not the only child who calls him. At home, his sons are waiting. One of them tells him that he has to come home. In London, Bethan asks whether he will come to her. The same grammar of necessity belongs to incompatible directions. Locke cannot become present to the new child without becoming absent from the family already formed around his presence. His refusal to repeat one abandonment produces another experience of abandonment. He protects one child from the injury he suffered while exposing two other children to the collapse of their trust in him.

This is not moral relativism. It is tragedy. Tragedy becomes possible where more than one obligation is real and finite action cannot fulfill them all. If every moral claim were merely subjective, Locke’s decision would be difficult only because its consequences were unpleasant. It becomes tragic because each direction contains a genuine claim. His wife has a claim grounded in fidelity. His sons have claims grounded in established love and dependence. Bethan has a claim intensified by fear, isolation, and labor. The unborn child has a claim grounded in Locke’s causal responsibility for its existence. The concrete project also carries obligations, not because a building is equal to a child, but because other people’s labor, safety, and livelihoods depend upon work Locke has undertaken.

The film does not ask us to choose between responsibility and irresponsibility. It shows responsibility divided against itself after an act has made innocence impossible. Locke cannot return to the moral position he occupied before the affair. No decision will preserve the whole. Remaining home would abandon Bethan and the child at the birth; traveling to London abandons his family during the revelation of his betrayal. He can only decide which form of presence he will embody and which consequences he will force others to bear. Moral life begins not from purity but from responsibility within damage.

This is also why Locke’s certainty should not be confused with complete moral insight. His determination is admirable, but it is narrowed by the history that gives it force. He recognizes abandonment above every other injury because abandonment is the wound around which his identity was constructed. The unborn child resembles him. His wife does not. His sons resemble him in one sense, but they have known him as present and therefore experience his sudden absence differently. Locke’s trauma grants him moral knowledge, but it also organizes his field of vision. He knows with perfect clarity what he must not repeat and with less clarity what else his refusal may destroy.

Personal suffering can therefore awaken obligation without being sufficient to ground it. The abused parent may become the protector of children, the recovering addict may refuse to abandon those still suffering, and the lonely person may become exceptionally attentive to exclusion. These transformations are among the noblest possibilities of wounded life. Yet identification cannot be the universal basis of ethics. The stranger does not become worthy only when the stranger resembles me. The child is not protected only by those who remember being unprotected. The widow is not owed justice only by those who have experienced bereavement. The prisoner does not possess dignity only when the judge imaginatively identifies with imprisonment. If obligation depends upon autobiographical recognition, those whose suffering awakens no echo in us fall outside its reach.

The infant again reveals the problem in its most elementary form. The child cannot guarantee that it will be lovable, familiar, healthy, grateful, productive, or similar to the adult upon whom it depends. Its claim cannot rest upon the pleasure it gives. Parents sometimes feel immediate love, sometimes fear, resentment, exhaustion, or estrangement. If the child’s right to care existed only when affection arose, the weakest child would be protected by the least reliable foundation. The obligation must in some sense precede the parent’s successful emotional recognition of it. Feeling can animate responsibility, but it cannot be its sole creator.

Emmanuel Levinas came close to this priority when he described ethics as beginning in the encounter with the face of the other. Responsibility is not first a rule freely legislated by an autonomous subject. It is the interruption of autonomy by someone whose vulnerability places the subject in question.² But the infant may take us even closer to the origin of that interruption. The newborn cannot reason, accuse, bargain, or articulate a command. Its face may not yet carry the expressive individuality we ordinarily associate with mature encounter. It simply exists in radical exposure. The child’s incapacity to demand care verbally does not lessen the demand. Its helplessness is the demand.

Theories of morality arrive after this phenomenon. Theology says the child bears the image of God. Natural law places parental obligation within the order of human generation. Kantian ethics recognizes the child as an end rather than a means. Utilitarianism points to suffering and flourishing. Evolutionary psychology describes kin selection and parental investment. Attachment theory shows the developmental consequences of reliable care. Sociology explains the norms through which societies organize kinship and responsibility. Each theory illuminates something important, but none creates the original fact it interprets: the baby is present, cannot preserve itself, and has become dependent upon human response.

This does not mean that obligation is always recognized accurately or that the infant’s claim appears identically in every culture. The history of child sacrifice makes such innocence impossible. Human dependence may be primordial, but its meaning is mediated by ritual, kinship, religion, power, and cosmology. A child can awaken care, yet the same child can be appropriated by a family, ruler, city, or god. Vulnerability does not protect itself. It can become the very reason a person is used.

The ancient world was not morally uniform, and child sacrifice must not be treated as though every ancient culture practiced it in the same form or with the same frequency. The archaeological and textual evidence varies by region and remains disputed in important cases. There is, however, sufficient evidence to show that in parts of the ancient Mediterranean and Near East the offering of children was not merely an invention of modern imagination. Biblical prohibitions preserve the memory of practices against which Israelite religion defined itself, while Punic tophets containing cremated infant remains have generated an extensive debate over the scale and meaning of child sacrifice at Carthage. Recent scholarship has strengthened the case that at least some of these remains belonged to ritual offerings, though arguments over frequency and interpretation continue.³

What matters philosophically is that sacrifice did not imply the child was worthless. The child could be sacrificed precisely because the child was precious. Sacrifice gives up what matters. The firstborn embodied the future of the household, continuity of lineage, inheritance, strength, hope, and the father’s own extension through time. To offer the firstborn was not to dispose of what had no value but to surrender a portion of one’s future to a power understood to possess a higher claim.

This is the terrible importance of the sacrificial child. The child possesses value, but that value does not yet belong inviolably to the child as a person. Its preciousness can be taken up into another purpose. The family may present the child to the god; the king may sacrifice the child for the city; the community may convert the child’s life into an offering intended to secure fertility, victory, rain, protection, or reconciliation. The child matters, but as the bearer of a value that can be transferred upward.

The structure of obligation is therefore already present, though ordered differently. The parent experiences a vertical obligation toward the gods, ancestors, ruler, or cosmic order that may override the horizontal obligation toward the child. The gods possess the highest claim. The child belongs to them before belonging to itself. The parent proves fidelity to the sacred by surrendering what is most beloved. The child’s helpless claim does not disappear; it is subordinated to what the culture experiences as a greater necessity.

Wolfgang Giegerich interprets the sacrificial world with unusual severity. For him, archaic ritual should not be translated too quickly into modern metaphor or explained from the standpoint of contemporary feeling. The ritual act belonged to a mode of consciousness in which soul, meaning, and necessity existed “outside,” in the objective forms of myth and cult. Sacrificial killing was not merely private aggression rationalized by religion; it was enacted as a sacred deed within an entire world. In his reading, the binding of Isaac becomes a historical and logical watershed because the story both preserves the sacrificial demand and turns against its literal fulfillment.⁴

Giegerich also distinguishes sharply between the empirical baby and what he calls “the child” as a logical stance of modern consciousness. His “child” is not the vulnerable infant but the fantasy of remaining innocent, protected, carefree, untouched by necessity, while literal others carry responsibility. The distinction is essential. The real infant cannot be blamed for dependency; it has no alternative. The childish adult, however, wants the privileges of dependence without accepting the obligations adulthood transfers to it. “The child” in this second sense dreams, hopes, desires, and waits for rescue while keeping the seriousness of reality outside itself. The parent shoulders the must.

This creates a profound dialectic. The literal child is the primordial bearer of obligation, but the adult must cease being “the child” in order to answer it. Protecting children does not require enthroning childishness. On the contrary, the infant’s existence calls the adult out of the fantasy that life can remain organized around personal desire. Fatherhood begins when the man discovers that his freedom is no longer the only center of reality. The baby’s dependence requires someone else to become capable of necessity.

Locke’s journey can be understood as precisely this movement. He begins as the abandoned son arguing with his father, but the coming child forces him to occupy the position of the father. He cannot remain exclusively the injured child whose life is defined by what was withheld from him. He must become the adult who gives what he did not receive. His movement from Birmingham to London is simultaneously a movement from grievance to responsibility, from wishing to doing, and from the demand that history repair him to the knowledge that he must prevent history from damaging another.

Yet Giegerich complicates any easy celebration of the child as the source of modern moral progress. His interpretation of ancient firstborn sacrifice emphasizes the child as beginning, continuity, hope, and futurity. The killing of the firstborn interrupts precisely this natural affirmation. In the sacrificial act, archaic consciousness does not permit life, family, growth, and biological continuity to become ultimate. The child is yielded to a power beyond the household. Whatever one thinks of Giegerich’s speculative reconstruction, it reveals why sacrifice cannot be understood merely as primitive disregard for children. The act is terrible because it negates the deepest natural attachment in the name of a higher order.

The binding of Isaac preserves this terrible logic while transforming it. Abraham is commanded to offer the son through whom the promise is supposed to continue. The demand is internally contradictory: the future given by God must be returned to God. Abraham proceeds, but the killing is halted and a ram substituted. The text does not simply declare that Abraham was foolish to believe God could demand the child. It preserves his obedience as exemplary while refusing the child’s death. The sacrificial structure remains, but literal child sacrifice is negated from within it.⁵

This is why the story cannot be reduced either to a modern lesson against religious violence or to an uncomplicated celebration of absolute obedience. It stands at the fault line between two worlds. In one, the god’s claim is demonstrated by the parent’s willingness to surrender the child. In the other, fidelity to the true God becomes inseparable from the recognition that the child must not be killed. Abraham still receives Isaac as gift rather than possession, but gift no longer means disposable property. The son belongs to God in a way that limits the father’s sovereignty over him.

The Hebrew Bible contains the struggle rather than a single timeless resolution. Commands concerning the consecration of the firstborn coexist with provisions for redemption and substitution. Prophets condemn the burning of sons and daughters and deny that such acts entered the divine mind. Micah can ask whether the firstborn should be given for transgression only to redirect the moral demand toward justice, mercy, and humility. The sacrificial imagination is not erased at once; it is subjected to criticism by an altered understanding of what God requires.⁶

The decisive transformation is not that the child ceases to be sacred. It is that sacredness begins to mean inviolability rather than availability for sacrifice. The child is no longer valuable primarily because its destruction can purchase divine favor. Its relation to God becomes the reason no parent, ruler, or cult possesses an unlimited right over it. The vertical obligation is not simply abolished; it is turned back toward the vulnerable. Fidelity to God becomes measured by justice toward those who cannot protect themselves.

Christianity radicalizes this reversal while retaining the language of sacrifice in a new and often troubling form. Jesus places children within the center of the kingdom rather than at the margins of adult significance. The least become bearers of divine claim. God is encountered not only in temple, law, king, or priest but in the hungry, the stranger, the prisoner, and the child. The incarnation itself begins not with sovereign power but with pregnancy, birth, infancy, dependence, and exposure. God does not first appear as the power demanding another’s vulnerable offspring. Divine life appears as vulnerable offspring.⁷

At the same time, Christianity does not simply escape the sacrificial world. The death of the Son remains central, and Christian theology repeatedly interprets the cross through sacrifice, offering, obedience, ransom, and atonement. The difference is not that sacrifice disappears but that its direction becomes unstable and is ultimately reversed. Humanity does not secure God by surrendering its children; God gives the Son to humanity and, in Christian confession, enters the suffering historically inflicted upon victims. Whether this reversal finally overcomes sacrificial logic or internalizes it within God has remained one of Christianity’s deepest theological problems.

What emerges historically is neither simple progress nor a straight road from cruelty to compassion. Christian societies could condemn child sacrifice while tolerating war, persecution, abandonment, poverty, and severe inequalities in the treatment of actual children. The child could be baptized into sacred dignity and still subordinated to patriarchal property. Religious institutions could protect foundlings while also disciplining bodies with extraordinary harshness. No doctrine automatically completes the consciousness it makes possible.

Nevertheless, a new principle gradually becomes thinkable: the value of the person is not exhausted by utility, status, civic membership, family possession, or ritual function. Every individual stands in a relation to the Absolute that no earthly hierarchy completely mediates. The slave, woman, infant, foreigner, and poor may remain oppressed in practice, but the tradition contains grounds from which their exclusion can be judged as contradiction rather than natural fact. Christianity can fail its own truth because the truth exceeds Christian conduct.

The modern idea of inherent human dignity emerges from this long and uneven history. Natural rights, subjective right, the sacredness of the person, and universal equality do not appear from nowhere. Thinkers such as Brian Tierney, Larry Siedentop, Hans Joas, and Charles Taylor have shown in different ways how modern personhood developed through the transformation of ancient, Christian, medieval, and early modern moral vocabularies.⁸ The result is not simply the secular rejection of religion. It is the translation of claims once grounded in divine creation, natural law, and salvation into rights understood to belong to the person as such.

The historical movement might therefore be described as a gradual transfer of the highest earthly claim from the gods, ruler, lineage, or community to the person who once could be offered on their behalf. This formulation requires caution, because modern states and ideologies have continued to sacrifice persons on vast scales, and no culture has completed the transformation. Yet the moral logic has changed. A state may still send children to war, permit them to live in poverty, or subordinate them to economic systems, but it must increasingly deny that it is sacrificing them. The victim has acquired a claim that power must conceal, rationalize, or redefine in order to violate.

The infant becomes the most radical expression of this development because it possesses personhood without any of the capacities by which modernity often measures worth. It is not autonomous, rational in the mature sense, economically productive, or capable of self-assertion. Its dignity therefore cannot be based entirely upon achieved independence. If the newborn has a claim, dependence itself cannot be a disqualification from personhood. The moral community must include those who cannot yet speak for themselves, and by extension those whose illness, disability, poverty, age, or exclusion prevents them from presenting themselves as ideal autonomous subjects.

This is where the modern language of rights remains both indispensable and incomplete. Rights protect the child by limiting the power of parents, churches, states, and communities. They state that the child cannot legitimately be converted into someone else’s instrument. Yet rights language can obscure the deeper relation from which protection arises. The infant does not first confront the parent as a litigant asserting a claim against another autonomous individual. The infant exists within a relation of radical dependence. Its right is real, but its survival requires care, presence, sacrifice, and affection that cannot be produced by legal prohibition alone.

Obligation is therefore prior to contract without being opposed to rights. The child has a right because others are obligated; others are obligated because the child’s existence is not morally neutral. Law articulates and enforces part of this relation, but law does not originate the encounter. Before the statute, there is the cry. Before the right is codified, someone must rise in the night. Before society recognizes the child as a person, someone has already fed, held, protected, named, and appeared.

The mother ordinarily encounters this obligation through the body before it becomes an abstract moral proposition. Pregnancy makes the dependence internal, birth makes it visible, and infancy prolongs it beyond the separation of bodies. The father’s relation is different, though not therefore optional. He must recognize as his responsibility a life whose biological development occurs outside his body. Naming and appearing become especially significant because paternal obligation requires a movement from causation to acknowledgment. The man may have participated in conception and still attempt to remain psychologically external to the consequence. Fatherhood begins when he no longer treats the child as an event happening to someone else.

This is precisely the threshold Locke crosses. Bethan bears the immediate physical reality of labor, while Locke is still miles away, enclosed in a controlled automobile and speaking through technology. He cannot share the bodily ordeal, but he can refuse absence. His promise to give the child a name and a face is an attempt to bind biological causation to social and moral recognition. The child will not be merely the result of what he did. It will be acknowledged as someone to whom he belongs.

The phrase “give the baby my name” contains an ambiguity that the film never entirely resolves. Naming can mean possession: the child is incorporated into the father’s lineage and receives identity from him. But naming can also mean the father places his own identity under the child’s claim. Once the child bears the name Locke, Ivan’s name can no longer signify only the life he has already built. It becomes answerable for this new life as well. He gives the name, but in giving it he loses exclusive possession of what the name means.

The face carries a similar reversal. Locke believes the child must see him because he did not see his own father. Yet the father’s face is not only reassurance for the child. It is the point at which Locke must permit himself to be seen by the consequence of his action. To show his face is to cease hiding. It is to accept that the child’s existence reflects something about him that his previous self-image cannot contain. Recognition flows in both directions: the child receives the father, and the father receives himself as father.

Levinas’s ethics of the face helps us see why this matters, but Locke adds causation and workmanship. The other does not only interrupt Locke from outside; this particular other has come into being partly through him. The child is both other and his own consequence, radically separate yet inseparable from his act. Responsibility is intensified because Locke cannot claim that the crisis arrived from nowhere. He did not choose the child in advance, but he participated in creating the conditions of its existence.

The concrete pour mirrors this structure. Thousands of tons of material will arrive, and once the process begins it cannot simply be stopped without enormous loss. Every prior calculation becomes real in matter. A defect that remained invisible on paper may become structural fate. Locke’s professional genius lies in anticipating consequence before it hardens. His personal failure lies in believing that one night could remain without structure, a private event separated from the life constructed around it. The unborn child reveals that the excluded act was also building.

Locke responds through repair because construction is the only moral language he fully trusts. He tells himself that even damaged situations can be worked upon as one works with brick and plaster. One identifies what is wrong, draws a boundary around it, and acts. This prevents despair and excuses. He will not say that the whole structure is ruined and therefore nothing further matters. But the builder’s mentality also limits him. Human beings are not concrete. A wife cannot be restored through technical competence, a son’s grief cannot be scheduled like a delivery, and moral claims do not distribute themselves according to engineering sequence.

His desire to be solid contains both integrity and petrification. Integrity means remaining answerable when approval disappears. Locke does not go to London because Bethan can reward him, because his wife will forgive him, or because his employer will admire him. He continues after love, reputation, and professional identity have been withdrawn. In this sense, he acts from obligation rather than social reinforcement. But solidity can also mean becoming impermeable to the claims that complicate the chosen duty. Locke’s refusal to bend may be the strength required to arrive at the birth, but it may also prevent him from hearing how completely his sons’ world is collapsing.

The umbilical cord becomes a fitting image for this double character. It is both lifeline and binding. The child lives through attachment, but attachment imposes necessity upon those attached. Locke can experience the child as life and as a sentence because obligation both enlarges and limits freedom. The relation gives his action moral meaning while foreclosing the possibility of returning unchanged to the life he had before. The child is not punishment, but responsibility after an irreversible act can be experienced as judgment.

This is the truth moral relativism cannot adequately express. Moral relativism is not simply the claim that nothing matters. In its most serious form, it recognizes that moral languages arise within histories and cultures, that sincere societies have disagreed radically about sacrifice, family, authority, justice, sexuality, punishment, and the good, and that no human observer stands completely outside historical conditioning. This recognition is necessary. It prevents us from treating the moral assumptions of our own age as self-evident truths requiring no examination.

The existence of child sacrifice itself proves that the infant’s claim has not always been interpreted as modern people interpret it. We cannot say that every human being in every age simply knew our moral conclusions inwardly and chose to violate them. Archaic sacrifice belonged to a world in which the gods’ reality, the household’s continuity, and the child’s significance formed a structure foreign to modern consciousness. To understand that world requires more than condemning it from the outside. It requires asking how an act now experienced as atrocity could once be experienced as sacred duty.

Yet historical understanding does not require moral surrender. The fact that an act made sense within a world does not mean the victim possessed no claim. It means that the claim was subordinated, appropriated, or interpreted through another structure of obligation. Moral relativism can describe the difference between worlds; it cannot decide whether the child’s destruction was justified simply because the culture supplied a justification. If every moral claim is valid only within the world that recognizes it, then we cannot say that the child had a right that the sacrificial culture failed to perceive. We can say only that our culture now dislikes what theirs required.

Almost no serious defender of human dignity is willing to stop there. We do not mean merely that genocide conflicts with contemporary Western taste, that slavery is wrong only for societies that have chosen equality, or that abandoning an infant is objectionable only where parental responsibility happens to be valued. We believe that the victim’s claim remains real even when the surrounding culture does not recognize it. The slave is not made property in truth because law declares him property. The sacrificial child does not cease to be a person because the ritual names him an offering. The failure of recognition cannot become the measure of whether there was anything to recognize.

This is the point at which relativism becomes inadequate rather than merely incorrect. It preserves moral humility but cannot carry the full weight of the victim’s claim. It reminds us that our understanding is historical but cannot explain how truth might appear within history without being reducible to historical consensus. It exposes the cultural mediation of obligation but cannot account for the experience that some obligations judge the very cultures through which moral consciousness has been formed.

The baby is decisive because it places before us a claim almost entirely stripped of reciprocity. The infant cannot agree that our morality is valid. It cannot participate in consensus. It cannot threaten punishment, invoke tradition, or explain why it should live. If its claim depends entirely upon our recognition, then our refusal eliminates the obligation. But if the infant remains wronged when the adult refuses, then something about the infant exceeds the adult’s interpretation.

This does not require pretending that obligation descends into consciousness as an unambiguous divine voice. Locke’s dilemma demonstrates otherwise. The child’s claim may be real without dictating a simple solution to every conflict. His wife and sons are also real. The presence of objective obligation does not eliminate tragedy; it makes tragedy possible. Moral reality may contain competing claims, damaged circumstances, imperfect knowledge, and actions in which every available choice bears guilt.

Nor does the recognition of obligation require a simple return to traditional faith. For those who continue to believe, creation, divine command, incarnation, and judgment may provide a living account of why the vulnerable person matters. But faith cannot ground a public morality merely by being asserted after its metaphysical world has lost shared authority. One cannot compel belief into existence because society requires moral certainty. The promise of faith is not enough when the person no longer experiences the promise as intellectually or existentially true.

Locke does not recover the old heavens during his drive. He does not suddenly believe that a providential order will reconcile the conflicting obligations he has created. His prayer remains fragile, almost vestigial. He hopes that the child, the building, and his family may all survive, but he does not confuse hope with guarantee. The world may not reward him for acting. His family may never receive him again. The child may someday resent the circumstances of its birth. Obligation persists without assurance of redemption.

This is the specific burden of obligation after transcendence. The old metaphysical order weakened, but the baby did not become less helpless. The father may no longer believe that God commands him to remain, yet the child’s need remains. The society may no longer agree that nature contains a moral purpose, yet someone must still answer the cry. The language that once explained responsibility may disappear while the relation from which responsibility arises continues.

Modernity has not abolished sacrifice either. It has changed its forms and transferred its altars. Children may no longer be offered publicly to gods, but they can be sacrificed to careers, reputations, political ideologies, national ambitions, economic systems, parental self-realization, or the preservation of domestic appearances. The sacrifice is no longer named sacred. It appears as necessity, efficiency, freedom, success, progress, or unfortunate collateral damage. The ancient parent surrendered the child to the god; the modern parent may surrender the child to the absolute claims of the self.

Locke refuses one such sacrifice. He could preserve his career, conceal the affair, remain home for the football match, and allow Bethan and the new child to bear the cost of maintaining his established identity. Instead, he permits the identity to collapse. The child will not be sacrificed to the building, reputation, or appearance of marital innocence. Yet the film remains tragic because the cost does not disappear. His wife and sons bear it. Moral action after wrongdoing cannot always prevent sacrifice; it may determine only who will be made to carry the loss.

This is why the history of obligation cannot be narrated as the final abolition of sacrifice. Every serious commitment excludes alternatives and exacts costs. Parents sacrifice time, sleep, money, mobility, and portions of imagined futures. Fidelity sacrifices possibilities that remain open only so long as no promise binds. Justice may require sacrificing advantage. Truth may require sacrificing reputation. The ethical question is not whether anything will be surrendered, but whether persons themselves are treated as the expendable material through which some higher project is secured.

The movement from child sacrifice to responsibility can therefore be stated with precision: the morally decisive transformation occurs when the child ceases to be the object through which the adult fulfills a higher obligation and becomes the subject toward whom the adult is obligated. The child may still call forth sacrifice, but it is now the adult who must sacrifice something of himself. The direction reverses. The vulnerable person is no longer the offering. The self’s sovereignty becomes the offering.

That reversal is present in Locke’s journey. He does not offer the child to preserve his life. He offers the life he had constructed in order to appear before the child. Whether this act is sufficient, proportionate, or fully just remains unresolved, because his existing family cannot be reduced to parts of himself he is free to surrender. But the direction of his action is unmistakable. The unborn child will not be made the disposable remainder of his mistake.

The deeper historical movement may therefore be understood not merely as the transfer of the highest claim from gods to persons, but as a transformation in the meaning of the sacred. The sacred once named what could demand the victim. It increasingly comes to name what cannot legitimately be victimized. The person becomes sacred not because the person replaces God as an isolated absolute ego, but because no god, state, market, tribe, ideology, or parent may possess the person without remainder.

Hans Joas has described human rights through the history of the “sacralization of the person,” an account that avoids reducing dignity either to timeless philosophical deduction or to arbitrary social construction.⁹ Persons become experienced as inviolable through historical processes, moral shocks, religious transformations, and changing practices of recognition. This does not mean dignity is merely invented. It means that the capacity to perceive what was always morally at stake has a history.

The child may be the original bearer of this historical revelation because the infant makes visible the difference between value and power. It possesses almost no power yet exerts a claim. It cannot compel care yet is wronged when care is withheld. It has no public voice yet measures the moral quality of the world into which it is born. A society reveals its understanding of personhood not primarily through how it honors the powerful but through what it permits to happen to those who cannot make themselves useful or feared.

The child also reveals that obligation does not begin with the sovereign self. Modern political philosophy often imagines individuals as independent agents who later enter agreements and construct society. Actual human beings begin in dependence. Before anyone can consent to a contract, pursue autonomy, choose values, or assert rights, others have already carried obligations on that person’s behalf. The autonomous individual is not the origin of the moral world. It is one possible achievement of care.

This does not diminish freedom. It places freedom within reality. We become capable of responsible choice because someone answered needs we could not articulate. Our independence grows from dependence rather than replacing it completely. Even adults remain vulnerable to illness, grief, age, accident, betrayal, and economic contingency. The infant is not an alien stage left behind once autonomy is achieved. It reveals a dependence that maturity transforms but never wholly escapes.

Moral relativism is especially inadequate here because it assumes, even when it does not say so explicitly, a subject already free enough to select, inherit, or negotiate values. The infant cannot choose the world upon which it depends. It is delivered into a moral structure before it can evaluate that structure. The question is therefore not initially which values the child will adopt but whether others will preserve the life in which valuation may someday become possible.

Giegerich’s critique of modern “child” consciousness returns with force at this point. A culture may sentimentalize children while organizing adult life around the refusal of necessity. It may celebrate innocence, self-expression, hope, and limitless possibility while resisting the burdens through which children are actually sustained. The empirical child is praised symbolically even as responsibility is displaced onto institutions, professionals, overburdened parents, or future generations. The culture wants to remain the child and therefore cannot fully parent its children.

To affirm the child as bearer of obligation is not to romanticize childhood or make innocence the highest good. It means that adulthood is measured by the capacity to become answerable for a reality one did not wholly choose. Locke’s greatness, such as it is, lies not in moral purity but in his refusal to remain merely the wounded son. His journey does not heal his childhood. It requires him to act where healing is not guaranteed.

Near the end of his imagined argument, Locke acknowledges that he now understands why his father ran. The recognition is essential. As long as the father remains only a cowardly monster, Locke’s moral superiority costs little. Once Ivan sees that disappearance is tempting—that one could turn toward another port, another country, another identity, and escape the eyes of everyone one has harmed—his decision becomes an actual choice rather than a simple condemnation of the past. He reaches the same threshold and does not take the same road.

Understanding does not excuse the father. It interiorizes the possibility. Locke realizes that abandonment is not committed only by a different species of man. The impulse to flee belongs to the same humanity that condemns flight. This knowledge prevents moral seriousness from becoming self-righteousness. Obligation must be borne by persons who remain capable of evading it.

The final sound toward which the film moves is not philosophical resolution but the cry of the newborn child. Locke’s career has collapsed, his marriage may be over, his sons remain at home, and the concrete pour has yet to occur. Nothing has been harmonized. The child’s arrival does not redeem the affair or prove that Locke chose correctly among every competing duty. It makes the reality irreversible and gives voice to the being around whom the entire night has turned.

The cry comes before explanation. Theology, psychology, ethics, law, and metaphysics will attempt to say why it matters. History shows that human beings have answered it through care, sacrifice, abandonment, consecration, rights, family, institutions, and love. These responses are not equivalent. Some recognize the child; others appropriate it. Some place adults under obligation; others place the child beneath supposedly higher necessities.

The question posed by the infant is therefore also the question posed to every moral world: who must bear the cost of reality? In the sacrificial world, the child could bear the cost of securing the gods. In modern moral consciousness, the claim is increasingly reversed. The powerful must bear costs so that the vulnerable are not converted into offerings. This reversal remains incomplete, repeatedly violated, and perhaps never fully secure. But without it, the language of dignity becomes empty.

The deepest question of modern ethics is therefore no longer only, “What is the good?” It is also, “Why does obligation survive after the disappearance of the world that once explained it?” Locke cannot answer. He knows only that the child exists, that he helped cause its existence, and that he must show his face. His father’s abandonment explains why he hears the claim with such force, but the claim exceeds the history through which he hears it.

No father should abandon his child merely because he was fortunate enough never to have been abandoned. No society should protect infants only because its present values happen to favor protection. No person becomes disposable because a god, state, market, family, or ideology has discovered a use for the sacrifice. The child’s claim must remain real before recognition, or recognition has nothing to recognize.

This is why moral relativism is not enough. It can describe the plurality of moral worlds, expose the historical contingency of our concepts, and protect us from the arrogance of believing that our understanding is complete. It cannot finally explain why the sacrificial child was wronged even when the sacrifice was sacred, why the abandoned baby retains a claim when the father feels none, or why the vulnerable person’s worth survives the failure of an entire culture to acknowledge it.

The baby is the first act of obligation because it reveals, before argument, that freedom is never alone. Another life appears, and with it the possibility that my power, desire, fear, and future are no longer the sole measures of what may be done. The infant does not abolish freedom. It gives freedom its first moral form by placing it under a claim.

The old gods may have receded. The heavens may no longer provide a common explanation. Yet the child still arrives. The cry remains. Someone must answer.

Notes

1. Steven Knight, writer and director, Locke (A24, 2013). Quotations from the film have been checked against the English subtitle transcript supplied for this essay.
2. Emmanuel Levinas, Totality and Infinity: An Essay on Exteriority, trans. Alphonso Lingis (Pittsburgh: Duquesne University Press, 1969); and Otherwise than Being, or Beyond Essence, trans. Alphonso Lingis (The Hague: Martinus Nijhoff, 1981).
3. On child sacrifice in ancient Israel and the surrounding world, see Heath D. Dewrell, Child Sacrifice in Ancient Israel (Winona Lake, IN: Eisenbrauns, 2017). Dewrell distinguishes among different practices and biblical responses rather than treating “child sacrifice” as a single uniform institution. For the continuing debate over Carthaginian tophets, compare the archaeological arguments supporting sacrifice with osteological studies proposing infant cemetery interpretations.
4. Wolfgang Giegerich, “The Sacrifice of Isaac and the Watershed of History,” in Soul-Violence: Collected English Papers, Volume Three (New Orleans: Spring Journal Books, 2008; repr., Abingdon: Routledge, 2020), 171–88. Giegerich interprets the Akedah as the pivot at which the sacred act of literal sacrifice is preserved as demand but negated in execution.
5. Genesis 22:1–19. For a major study of the firstborn-son tradition and its transformation, see Jon D. Levenson, The Death and Resurrection of the Beloved Son: The Transformation of Child Sacrifice in Judaism and Christianity (New Haven: Yale University Press, 1993).
6. See Exodus 13:1–16; Leviticus 18:21; Deuteronomy 12:29–31; 18:10; 2 Kings 16:3; 21:6; Jeremiah 7:31; 19:5; 32:35; Ezekiel 20:25–26, 31; Micah 6:6–8. The texts do not present a single transparent historical record; together they witness to sustained conflict over firstborn consecration, substitution, and the legitimacy of child offerings. See also Dewrell, Child Sacrifice in Ancient Israel. A concise scholarly overview is available through the American Society of Overseas Research.
7. See Matthew 18:1–6; 19:13–15; 25:31–46; Mark 9:33–37; 10:13–16; Luke 1–2; 9:46–48; 18:15–17.
8. Brian Tierney, The Idea of Natural Rights: Studies on Natural Rights, Natural Law, and Church Law, 1150–1625 (Atlanta: Scholars Press, 1997); Larry Siedentop, Inventing the Individual: The Origins of Western Liberalism (Cambridge, MA: Belknap Press of Harvard University Press, 2014); Charles Taylor, Sources of the Self: The Making of the Modern Identity (Cambridge, MA: Harvard University Press, 1989).
9. Hans Joas, The Sacredness of the Person: A New Genealogy of Human Rights, trans. Alex Skinner (Washington, DC: Georgetown University Press, 2013).
10. Immanuel Kant, Groundwork of the Metaphysics of Morals, trans. Mary Gregor and Jens Timmermann, rev. ed. (Cambridge: Cambridge University Press, 2012).
11. Alasdair MacIntyre, After Virtue: A Study in Moral Theory, 3rd ed. (Notre Dame: University of Notre Dame Press, 2007).
12. Aristotle, Nicomachean Ethics, trans. Terence Irwin, 3rd ed. (Indianapolis: Hackett, 2019), especially Books I–II.