Word of Honor

In the winter of 1799 on the Spanish coast at Ferrol, a young Englishman is taking a stroll on the beach. He is Lieutenant Horatio Hornblower of His Majesty’s Royal Navy, captured two years earlier, and now a prisoner of the Kingdom of Spain. He and the prison commandant look out to the sea to watch a Spanish ship being chased by a British frigate. In a tearing gale, the Spanish vessel flees too close to a reef known as the Devil’s Teeth and shipwrecks on it. Sailors are sailors under any flag, and the sea makes no favorites. Hornblower begs the commandant to allow him to take a small boat on a near suicide mission to save his enemies.

He is granted it, and he brings the men off the rocks. But the seas run too high to make the shore again, and the boat rides out the night at open sea, recovered by a British frigate at dawn. And now Hornblower stands on the deck of one of his own nation’s ships, among his own countrymen, a free man by every practical measure. No court would fault a rescued prisoner for sailing home. Instead he tells the frigate’s captain that he cannot go. He is a prisoner of Spain, held on his parole, and his word binds him still. The frigate carries him back under a flag of truce to his captivity. Months later the commandant summons him with the news that, in recognition of the rescue, Spain has set him free. Honor has recognized honor across the line that divides two enemies at war, and for a moment the war has no jurisdiction over what passed between them.

The word for what the Spanish extended Hornblower is parole. A modern reader is most likely to know that term in a judicial context, where a convict is granted parole and released before his sentence is served, on condition that he keep to certain terms. Parole is simply the French word for word. To be on parole is to be set at liberty on a word given. But what is the liberty contingent upon? The modern convict is not, in truth, released on his word at all. He is released because a vast apparatus of law enforcement stands ready to find him and return him to his cell the moment he strays. His word is a formality. The officer’s parole was the reverse. There was no apparatus. An enemy who chose to grant it did so with a totally different mechanism of enforcement. Parole was extended precisely because the word was taken to be sufficient: a word of honor, and honor was trusted enough to leave an enemy with his sword, or let a prisoner take a walk on the beach. Hornblower held his given word to be a thing he could not break and remain himself, and because he held it so, his adversary did too.

There never was an actual Horatio Hornblower in the Royal Navy; he is the fictional invention of author C.S. Forester. But there was a Nelson, and a Pellew, and a Cochrane, and Horatio Hornblower is truer to their world than any one of those men taken alone. Aristotle saw this: history tells us what one man once did, fiction tells us what such a man would do. Parole was not invented for the novels. Captured officers really were released on their word, because a broken parole was a dishonor a gentleman could not survive.

That was 1799. Two generations later, in September of 1864, General William Tecumseh Sherman answered the mayor of Atlanta, who had pleaded with him to spare the city its people.

War is cruelty, and you cannot refine it.

• William Tecumseh Sherman, letter to James M. Calhoun, September 12, 1864

Then he burned home and hearth on his march to the sea.

No one who has looked at war can deny the cruelty. But that it cannot be refined is a separate assertion, and a wrong one. Between Hornblower’s honor and Sherman’s letter lies a single lifetime, and on the near side of it stood something real: three thousand years of warrior cultures that made rules for the killing and felt the breaking of those rules as something worse than defeat. There was honor in the word of good men, inside the cruelty and not in spite of it.

The oldest rules

War is a trade like any other, and every trade practiced long enough grows a culture around it: a vocabulary outsiders don’t follow, standards of good and shoddy performance, rank, ritual, rules. Few trades are older or more universal than the organized killing of other human beings, and none has generated a thicker culture around it.

Pull back from Hornblower’s Spain, back past the age of sail, beyond Rome, to the oldest war literature we possess, and the rules are already there, fully formed, treated as ancient even then.

Homer’s Iliad is among the headwaters of western literature, a Greek epic of some fifteen thousand lines composed around the eighth century before Christ and sung aloud for generations before anyone wrote it down. Its subject is the war between the Achaean Greeks and the city of Troy, a conflict that was already legend by the time Homer told it; it would be like a modern person making an epic film about the fall of Tenochtitlan.

The Iliad is not the story of the Trojan War. There is no wooden horse, no fall of the city, and its violence is refined. The two armies swear a formal truce so that Paris and Menelaus can settle the quarrel in single combat, with oaths sworn to the gods over sacrificed lambs. When a Trojan arrow breaks that truce, the poem treats it as sealing Troy’s doom. Later, Hector and Ajax fight to an honorable draw and part by exchanging gifts, each praising the other’s courage. Both armies then lay down their arms to gather and burn their dead. This is a poem that assumes its hearers already know such things are done.

Compare the Iliad to the Mahabharata, the great epic of ancient India, and a pattern emerges. Its war is fought under dharmayuddha, the righteous war: combat only between sunrise and sunset, equal against equal, chariot against chariot, no striking of a man who has laid down his arms, no blow below the belt. And the poem’s darkest turns are its violations. Drona is brought down by a lie; the sleeping camp is put to the sword in the night. These are not told as clever victories or utilitarian stratagem. They are told as tragedy, an age passing into something lower, lesser, in the poem’s own telling.

Two distant civilizations built their greatest war epics on the same conviction: that the tragedy is not defeat but the breaking of the rules. And the record outside the poems bears them out. The Greeks held the recovery and burial of the dead so sacred that after the naval battle at Arginusae the Athenians executed six of their own victorious generals, whose offense was leaving the shipwrecked and the fallen unrecovered in the water. A city put its winners to death for winning the wrong way. And the Mongols, who made terror an instrument of policy and razed whole cities as a matter of calculation, nevertheless held the personal safety of messengers inviolable, and unleashed their fury on a king who had dared to put their ambassadors to death. The rule was not softness, and the men who kept it were often terrible.

Wherever men have gathered to kill each other in an organized way, they have generated rules for the killing, and felt the breaking of those rules as something worse than losing. Men have again and again preferred to lose within the rules than to win outside them.

None of this is a chronicle of decline. What shifts from one age to the next is not how much killing happens but which conduct a civilization takes for the rule and which for the exception, the killing it holds up as the type of the thing and the killing it treats as the falling away. The old wars were not cleaner, and ours are not fouler: every age has mixed its mercies with its massacres, there was slaughter at Troy, and there is honor in the trenches still. Nor is the reverse true, that we have simply grown gentler; the share of humanity that dies by war has likely fallen through history, but the twentieth century was a spike in sheer numbers that no earlier age could have managed, industrial killing doing at scale what sword and spear never could, and the peace that followed may turn out temporary. The count is not the question. The question is which killing a civilization calls itself by.

Why should that be so? What kind of world had to stand behind a man before he would hold his word to an enemy?

A shared world

The answer begins with a paradox. The word given to an enemy was kept because, in the very moment of giving it, the enemy was not wholly an enemy. Beneath the war there ran a second relation, older and quieter, in which the two men were something to each other: fellows in a trade, sons of the same order, in agreement on what a man is and what he owes. An agreement not imposed, but inherited.

Homer shows some of this relation in the sixth book of the Iliad. In the middle of the battle, the Greek Diomedes and the Lycian Glaucus come at each other to fight, and pause first to exchange lineages, as warriors did. In the telling of their fathers’ fathers they discover that their grandfathers had once been guest-friends, host and guest bound by the sacred tie the Greeks called xenia. At once the fight is off. They will not lift a hand against each other for the rest of the war; there are men enough besides. They clasp hands, pledge friendship across the line, and trade their armor to seal it. Two men who only a moment prior were trying to kill each other find that they inhabit a common world older than the war, and the war doesn’t end, but its jurisdiction does. A greater law is recognized.

Bring it forward to the age of Horatio Hornblower, and the shared world is no longer a matter of two men and their grandfathers but a standing institution spanning a continent. The officer corps of the Napoleonic wars were a pan-European aristocracy. A French colonel and an English one had read some of the same books, kept some of the same manners, and held the same account of what a gentleman was owed and what was beneath him; and that account could sometimes override the barbarism of war. It is why an officer taken prisoner could be set at liberty on his parole, on nothing but his word, and why whole towns in England filled with French officers going where they pleased, dining and walking and paying their debts, men who could have betrayed their word but did not. Because a broken parole broke the one thing that made a man what he was, and no home worth returning to would have received what was left of him.

A garrison that bravely held out to the last was granted the honors of war: it marched out not in chains but with its colors flying and its drums beating, defeated but not disgraced. A beaten captain surrendered his sword to the victor, and the victor, if the man had fought well, may even put it back in his hand. No power of man compelled any of this. It was the shared world acknowledging itself, the winner conceding that the loser remained inside the same order of honor, and that losing and dishonor were not the same thing.

It is easy, running through examples like these, to hear them only in the manners of gentlemen, as though honor were a possession of the officer class. The rituals that survive in the record are aristocratic largely because ceremony is what gets recorded. But the thing the rituals expressed was never confined to the highborn. There was mercy and honor among common soldiers who left no memoir, and there was savagery among the officers who broke every rule they had sworn; honor ran the whole height of the warrior world, and its betrayal ran up the ranks as readily as down.

Everything the shared world protected was, at every turn, a peer. The guest-friend, the brother officer, the captain who fought well, the garrison that held bravely: each is honored as an equal, a fellow inside the same order, recognized across the line because he was, underneath the war, one of us. This is honor’s oldest and most reliable form, and also its narrowest. It asks of a man only that he extend his enemies the dignity he would wish extended to himself. The harder question, the one that would take something more than a shared world to answer, is what a man owes the enemy who is no peer at all: the one who kneels, the one who cannot fight, the one who is nothing to him.

The word to a stranger

Let us concede General Sherman his premise for a moment. War is cruelty; refinement is illusion; the honest soldier does the efficient thing. On that view, none of the shared world was ever really honor at all. It was accounting: read cold, stripped of the sentiment the men themselves brought to it, every custom resolves into self-interest. Spare the officer who surrenders, because a reputation for giving quarter makes the next enemy yield sooner and cheaper. Keep faith with parole, because the whole paroled continent runs on the expectation of return, and a man who breaks his word breaks the system that served him. Trade the belt for the sword, exchange the lineages, march the beaten garrison out with its drums: every courtesy pays a dividend, and a cynical enough man may believe he could reconstruct the entire code from self-interest without once believing a word of it. Peer-honor, read this way, is a contract between equals who may yet trade places. It survives the cold reading intact, because it was always, in part, a bargain.

The cold reading draws a line for us. Follow it out to the place where the dividend runs out, and see whether anything is still standing there.

Because the codes did not stop at the peer. They reached past him, to the one figure the accounting struggles to reach. Total war itself finds a use for the defenseless: Sherman’s march did not spare the farms and smokehouses of Georgia, and the ruin of a noncombatant’s livelihood was the instrument, not an accident of it. Yet even that march drew a line it would not cross. Sherman waged a terrible war on property and subsistence and stopped short of the murder of those who could not fight back. The line was there even in the hardest logic the century had yet produced. The question is what the line is made of.

In the seventh century, the first Muslim Caliph, Abu Bakr, sending his armies out of Arabia in the first rush of the conquests, charged them with this:

I advise you ten things: do not kill a woman, nor a child, nor an aged, infirm person; do not cut down fruit-bearing trees; do not destroy an inhabited place; do not slaughter sheep or camels except for food; do not burn bees or scatter them; do not molest the monks in the churches, and leave them to themselves.

• Abu Bakr, charge to the armies, as transmitted by Malik and al-Tabari

A cynic can price even this. Spare the farmer and you inherit a tax base; spare the tree and you keep the harvest; and being known for mercy opens the next town’s gates without an expensive siege.

We should meet our ancestors on their own terms, resisting the presentism that reads a stated motive as a mask for a truer, unstated one. There is real truth in the cynical reading, but a true observation is not the same thing as a true explanation. Did these customs carry pragmatic benefits? Of course they did. But that a thing has benefits is no proof that the benefits are why it was done; the cynic mistakes a consequence for a cause. Abu Bakr did not frame his charge as policy. He gave it as a command owed before God to those who could not answer for themselves, and to take him at less than his word, to assume the material motive must be the real one crouched beneath the stated one, is not hard-headedness. It is we modern people reading our own views back onto his.

This protection of the woman, the child, the old man, and the monk is a different thing from peer-honor, and it needs its own name. Call it grace: favor shown to the one who has no claim on it and no means to earn it, the one who cannot pay it back. Peer-honor renders the equal his due; grace gives what is not owed. The one is a closed circle of men who recognize themselves in each other; the other reaches outside the circle, to a man who is nothing to you, and treats him as though he were something anyway.

Nor is this a quirk of the God of Abraham. The same reach shows up on the far side of the world. In the Warring States period of ancient China, an age of massing armies and slaughter as total as anything the West managed, the Confucian philosopher Mencius taught that the righteous war is waged against the ruler and never against his people. The true king’s army, he said, is the one the enemy’s own subjects greet with baskets of rice and vessels of drink, relieved to be delivered from a tyrant rather than terrified of a conqueror; and the general who then kills their fathers, binds their sons, and carries off their treasures has forfeited the very thing that made his war just. The protection of the helpless is not a concession wrung from the campaign. It is the point of it.

And Mencius saw the cynic coming long before Christ. He drew a line between two kinds of nobility, one of Heaven and one of men, virtue itself against mere rank and office, and named the man who keeps the first only to purchase the second:

The men of antiquity cultivated their nobility of Heaven, and the nobility of man came to them in its train. The men of the present day cultivate their nobility of Heaven in order to seek for the nobility of man, and when they have obtained that, they throw away the other: their delusion is extreme. The issue is simply this, that they must lose that nobility of man as well.

• Mencius 6A:16, trans. James Legge

That is the accounting reading answered in its own court, by a pagan sage, and Mencius does not stop where the accountant would expect. He does not merely say the payoff was never the reason. He says the man who cultivates virtue for the payoff loses the payoff too. That is the sharper claim. To do the good thing for what it pays is to have thrown the good thing away, and Mencius adds that the throwing away costs you the very thing you were chasing. Three witnesses, then, who never met: a Greek poet, an Arab caliph, a Chinese sage. None borrowed the rule from the others. Each found it already standing in the world, waiting to be kept or broken. Somewhere behind three witnesses who never met, something was underwriting the debt none of them could pay.

The men who break the code

None of this is to say the warrior code was consistently kept. It was broken in every age, and often by the very men who professed it. This is not a golden age remembered against a fallen present, but a rule and its exceptions in the same world.

Return to Hornblower’s war for the clearest case, and stand it right beside the parole it just witnessed. The officer set at liberty on his word was one thing. The Spanish and Portuguese guerrilla, the man who ambushed a French column from a ravine and vanished into the hills, was another thing entirely, and he was not paroled. He was hanged, or shot against a wall, and the village that had sheltered him was burned with the reprisal folded in. Both sides did it, and the war in Spain became a byword for atrocity precisely among the same officers who, a valley over, were exchanging captured swords and dining their prisoners on their word. The code did not fail them here. It simply had no reach here, because the guerrilla stood outside the circle it recognized. He wore no uniform, held no commission, belonged to no brother officer’s order; he was a peer to no one, and so the honor that ran on peerage found nothing in him to answer. What the guerrilla exposes is the seam between the two strata: peer-honor could not see him, and grace, which could, was not extended. The men who professed the code broke faith at exactly the point where the peer ends and the stranger begins.

That is the modern edge of a very old failure, and the oldest war literature we have looks straight at it. The Iliad does not end on the truce-oaths and the exchanged armor of its middle books. It moves, deliberately, into their ruin.

Achilles loses Patroclus, and something in him gives way. Homer’s word for what he becomes has no clean English equal, but it is still recognizable across three thousand years: the warrior who has crossed out of grief into a state where the rules no longer bind because the man who kept them is no longer wholly there. In Book 21 he meets Lycaon, a young Trojan he had captured once before, spared, and ransomed alive. Lycaon grasps his knees in formal supplication, the gesture that placed a man under the protection of the gods and could not, by every law the poem assumes, be refused. Achilles tells him that once, before Patroclus died, it had pleased him to take men alive and spare them. Not now. He kills him mid-plea and throws his body in the river. The same man, the same ritual of mercy, before and after the order broke inside him.

It does not stop there. The Scamander river chokes with the bodies Achilles feeds it, until the river itself rises against him in revulsion, nature recoiling from what a man has made of the war. And when Hector falls, dying, and asks only that his body be returned to his people, Achilles answers that he wishes his fury would let him carve and eat the flesh raw, and lashes the corpse to his chariot to drag through the dust for days. To Homer’s hearers this is not cruelty of degree; it is sacrilege, the far horizon of horror, the thing beyond which a man is no longer a man. Achilles has stepped outside the category.

And the poem knows it. The breaking of the code in the Iliad is not shrugged off, not reframed as hard necessity, not filed under “War is Hell” and folded into the definition of the thing itself. Heaven itself will not allow it to stand. The gods preserve Hector’s body against all Achilles can do to it, and Zeus commands its return. The moral order in this poem is not human convention that a strong enough man may set aside; it is enforced from above, and the violation is answered as violation.

We have already met the Mahabharata’s two great violations, named in passing earlier: Drona brought down by a lie, the sleeping camp put to the sword in the night. Set beside Achilles they resolve into focus, because the horror is in the mechanism. Drona, the great teacher, cannot be beaten while he holds his weapons, so the army turns to the one man who has never lied. Yudhishthira, whose word Drona trusts absolutely, tells him an elephant named Ashvatthama has been killed, letting the name of Drona’s own son be heard and the qualifier go unheard. Drona sets down his weapons on the strength of a true sentence built to deceive, and is cut down. His son answers that lie with the dark, falling on the enemy as it slept, the one thing the daylight law of dharmayuddha exists to forbid. This is the tragedy that keeps surfacing: not a defeat, but an age turning into something lower.

In these warrior cultures, the greater tragedy is never merely the defeat; it is the violation of the code. Watch what the breaking costs, and you learn what the code was for. Achilles does not gain by dragging Hector; the vengeance buys him nothing, brings Patroclus back not at all, and leaves him hollowed. The cost of the violation is charged, first and heaviest, to the violator. Whatever the code protected in the enemy, it protected something in the man who kept it too, and its breaking unmakes him from the inside before it ever touches his victim.

The code on paper

Something changes when we cross into the modern world, and it is not that the code is broken. Codes were always broken. What changes is the code’s distance from its source: a code kept in the heart sits close to the law it was always only echoing, and holds accordingly; a code kept on paper is a copy of a copy, one step further from what it was ever supposed to be, and holds that much less.

Across the nineteenth century and into the twentieth, the very centuries in which the old honor culture was dissolving, the rules of war were set down in a wholly new way. They had been written before, of course; Abu Bakr’s charge was a written command, and the armies of the Iliad swore their truces in binding form. But those were local oaths and a sovereign’s word, each resting on a formation already present in the men who gave and received them. What came now was different in kind: a total apparatus of positive law, comprehensive, systematic, and external, that meant to be the whole account of what a soldier might licitly do. The Hague Conventions of 1899 and 1907, the Geneva Convention of 1929, the vast and growing body of what we now call international humanitarian law. The code was codified into legalism at the exact moment it could no longer be assumed. Men reach for the statute precisely when the thing the statute records is slipping out of them. You do not write down in exhaustive detail what everyone still knows in the heart; you write it down, article by article, when you feel it going.

And in the writing, the thing was hollowed. Consider what the two kinds of code can say. A code written on a man’s heart tells him what he ought to do, and he believes the ought; it binds his will because he holds it to be true, and a man who breaks it has broken himself. Law and treaty on paper tell a man only what he may do, and what may be done to him if he is caught. In trading ought for may, the paper abandons the one thing the heart-code carried, which was the moral warrant, the sense that the rule is owed and not merely imposed. Honor had made its claim on what a man was. Law makes its claim only on what a man can be held to. The first held in the dark, when no one was watching, because the watcher was inside. The second holds only while an enforcer is near, and in war no enforcer is near. What replaced honor was a contract, and a contract with an enemy is kept exactly as long as it pays and not one hour longer.

The proof is not a symmetry but a paper trail. To the west the Wehrmacht held British and American prisoners in conditions that, for all their hardship, largely kept faith with the laws of war, and the great majority went home alive. To the east it took some five and a half million Soviet prisoners and starved, worked, and shot roughly three million of them to death, most in the first winter. A memorandum survives explaining why. Admiral Canaris protested to the high command that the planned treatment of Soviet prisoners breached international law. Keitel answered him in the margin, in his own hand, on 23 September 1941:

The objections arise from the military concept of chivalrous warfare. This is the destruction of an ideology. Therefore I approve and back the measures.

• Wilhelm Keitel, marginal annotation on the Canaris memorandum, 23 September 1941

He named the objection correctly and overruled it on the record. Even the paper law held no further than it paid; late in the war, in February 1945, with Germany considering renouncing the Geneva Convention outright, Jodl argued against it on the same logic once more, wanting the benefit of Allied observance without the burden of German compliance. That is the contract exactly as described. Germany’s own defense at Nuremberg reached for the technicality: the Soviet Union had never ratified the 1929 convention, so nothing bound it there. But Canaris had already answered that argument before it was made; his protest held that the general principles of the law of nations bound Germany regardless of Soviet ratification. A high command hunting for a loophole to escape the law is not a high command that mistook the law’s reach. It knew exactly how far the law reached, and went looking for the seam where it did not. The law was never the variable. The enemy was. Where the Wehrmacht faced a man it could imagine as one of its own kind, the contract held. Where it had already decided otherwise, chivalrous warfare was named, and set aside, in writing.

This is not to say the law did nothing. The Nuremberg trials were the high-water mark of the age’s attempt to civilize war, and they did something no ancient code had risked: they reached across the line into the enemy’s own house and stood his men in a courtroom to answer for a crime his own law had never forbidden. A handful of them stood before the world and heard it declared that some things are forbidden to every soldier of every nation, that a man may not hide behind his orders or his flag, that there is a law above the law he served. It was the noblest thing the century’s legalism produced, and it reached, without quite saying so, for exactly the old ground: a rule that binds whether or not any sovereign consented to it. But reach was all it did. It asserted the law above the law and did not say where such a law could come from, or why a man is owed a protection no state had granted him. It kept the shape of the thing the heart-code had carried and left the space where the warrant went empty. Even at its best, the age could enforce the rule and no longer name its ground.

The men of the first age broke the code, and their world felt the break, and heaven itself rose against it. A code written on the heart sits close to the law it was echoing, and travels with a man into every room; there is no place he can carry his own heart and leave the rule behind. A code written on paper is a copy once removed, and travels only as far as the paper is enforced, and a man can be in France with the statute and in Russia without it, and never feel the seam. That is what the high command did. It kept faith with London and broke faith with Moscow, under the same signatures, in the same season, and filed both without apology, because the law it was applying had never been close to the heart to begin with, only far out on the paper. Breaking a living code was the ancient sin, and it was felt as one. This was not felt as anything. The Scamander rose against Achilles. Nothing rose against the men who filed the paperwork, honored the convention in one theater, and buried three million men in the other.

The century that wrote more law of war than all the ages before it was the century whose worst violations reached a scale no earlier age could produce. The law swelled to fill the room that honor had left. What was lost when the code moved from the heart to the statute was not the rule, which survives, more fully recorded than in any prior age. What was lost was the ought, the account of why a man should keep the rule when no one is looking, which is the only time it was ever honor that kept him and not mere prudence.

Why the ground went

We have been describing a loss without yet asking why it came. The rule did not disappear; it was written down more fully than ever. What left was the ought, the warrant, the sense that the rule was owed and not merely imposed. Something had held that warrant up, and in the span of a single century two supports were knocked out from under it, by two different blows.

This is a Western unraveling, and it should be named as one. The grace this essay has followed appeared the world over, in a Greek poem and an Arab charge and a Chinese sage, and each civilization that carried it has its own account to give of what became of it, an account outside this scope. But the particular machine that codified grace into law at the very moment it was dying, the Hague articles and the Geneva conventions and the century of industrial killing they failed to hold, was built in the Christian West as the Christian West was letting go of Christianity. Its wreckage is the house the whole world now lives in.

The first blow was structural. The shared world of peer-honor rested on an aristocracy, a caste of men bred to arms across every border, who recognized one another before they recognized their kings. That world did not reason its way out of existence; it was dissolved. When revolutionary France called the whole nation to arms in 1793, war stopped being the trade of a caste and became the business of a people, and what began there spread across Europe and then to Britain. The officer who could be trusted on his parole gave way to the conscript, the citizen, the mobilized million. There was no longer a continent-spanning order of peers to belong to, and so there was no longer the second relation running beneath the war, the quiet agreement between enemies about what a man was owed. Peer-honor did not fall; its world was demolished.

The second blow went deeper, because it reached beyond the fraternal and the political and into the metaphysical. Grace, the favor shown to the one who could not repay it, had never rested on reciprocity at all. It rested on the conviction that the man who knelt was owed something regardless, that there was a claim written into what he was. The tradition that had thought longest about that claim had given it a name: the image of God, borne by every person whatever his rank or use or threat, the ground on which the unearnable protection of the stranger finally stood. Grace was the practice; the image of God was the reason the practice was owed. And in the same century that dissolved the aristocracy, the culture that had carried that conviction began to let go of the ground beneath it. Friedrich Nietzsche gave the moment its words in 1882, and he did not announce it in triumph. He put it in the mouth of a madman who runs into the marketplace at morning with a lit lantern.

God is dead. God remains dead. And we have killed him.

• Friedrich Nietzsche, The Gay Science, §125, trans. Walter Kaufmann

The madman is not gloating. He is appalled, and he has come too early: he sees that when the ground is pulled out, the things that stood on it do not fall at once. They hang in the air a while, the shadow still thrown on the cave wall after the light behind it has gone out, and the people going about their business have not yet noticed that the floor is gone.

To hold that the kneeling man is owed nothing, that the child and the monk and the beaten prisoner are tokens to be spent when spending them pays, is not the absence of a belief about human beings. It is a particular belief about human beings, and it has simply decided there was never anything there to defend. The twentieth century is the record of what follows when enough men decide it at once.

Nietzsche did not cause any of this, no more than the madman lit the fire he ran to warn of. He named it early, and was thought mad for the naming, and the wars that came were the named thing made visible: the ground gone, the shadow still thrown on the wall, and the men beneath it no longer able to say why it should hold.

The moral wound

There is a name for what happened to Achilles. A psychiatrist named Jonathan Shay spent years treating Vietnam veterans at a Boston clinic, men ruined in a way that the medicine of that time didn’t quite appreciate, and he found the map to their ruin in the oldest war poem we have. His book is called Achilles in Vietnam, and its argument is that the Iliad can be read as a clinical record of what war does to a man. The berserk state, the shrinking of a man’s world to the one comrade beside him, the death of that comrade, the rage that follows and the atrocities it drives, the character that never fully comes back: Shay heard the Iliad in the testimony of his patients, and he heard his patients in the Iliad. Three thousand years had changed the weapons and nothing else.

What ruined these men was not fear or hardship. It was betrayal. Shay’s word for the injury is the loss of thémis, the sense of what is right. The soldier could survive being shot at. What undid him was the discovery that the moral order he had trusted was not there, that the rules were not real, that no one above him believed them. And once a man learned that the code was empty, he became capable of anything, and horrible atrocities came out of that abyss. Shay described it as a moral injury.

Which returns us, by a long road, to where we began. The warrior code was not mere mercy shown to the enemy. It was the thing that let a man kill and remain a man, the boundary that told him what he must not become no matter what was done to him or what he was ordered to do. The whole last third of The Iliad is the record of a man destroyed from the inside by the collapse of the thing he had broken. He wins his war. He avenges his friend. And he is hollow, dragging a corpse in circles because the rage has nowhere left to go and nothing it can heal.

The Iliad does not leave him there. Achilles is redeemed, and the way back is not victory and not vengeance, both of which he has already had. It is the restoration of the code. Old Priam crosses the enemy lines in the dark, comes alone into the tent of the man who killed his son, and kisses the hands that did it. And Achilles looks at the old man and the two of them weep together, each for his own dead, the killer and the father of the killed, sharing grief across the line the war had drawn between them. Then Achilles gives the body back. The rules return, the burial is granted, the truce is sworn, and Achilles becomes a warrior again. Becomes a man, again.

Achilles sees his own father in Priam: that is peer-honor, the shared world recognizing itself, the same relation that let Diomedes and Glaucus clasp hands over their grandfathers’ friendship. But Priam is no peer. He is an old man who cannot fight, come to kneel and kiss the hands that killed his son, the exact figure the guerrilla’s ravine and the sleeping camp’s dark had already shown the code failing to reach. Grace answers where peer-honor alone could not have. The tent of Achilles is where the two kinds of honor, torn apart at the seam everywhere else in this story, finally meet in one room.

That is the whole of it, set down at the headwaters of our literature. The word of honor to an enemy was the shared world made visible, peer answering peer; and beneath it, when it held at its best, ran the harder recognition that the other man was a man regardless, owed the dignity that demands. We built the most elaborate law of war the world has ever seen and we stopped being able to say why the laws mattered. We are living now in the long evening after, in the cave where the shadow is still thrown, keeping the word out of habit and no longer sure to whom it is given, or why it was ever binding, or what we become on the day we finally stop.