The most powerful norms are the ones we never notice — not the rules we are told, but the ones we mistake for the way things simply are. No law commands a man to wear trousers rather than a robe, or to keep a certain distance when he speaks to a stranger, or to feel that a debt of honor must be paid; and yet these bind more surely than many a law, precisely because they are not experienced as rules at all but as facts — of nature, of decency, of common sense. A norm reaches its full power at the moment it disappears as a norm, when the merely customary has been so thoroughly mistaken for the necessary that to question it seems not rebellion but madness.
There are two ways a rule can govern us, and they are not equally strong. The first is the rule we know as a rule: the posted law, the stated etiquette, the instruction we could recite and resent. Such rules constrain us from outside, and we feel the constraint; we obey, but we know that we obey. The second is the rule we have so completely taken in that we no longer experience it as a rule at all — the thing we do without deciding, the way we assume the world is arranged, the response that rises before any thought of choice. Here there is no felt constraint, because the rule has become indistinguishable from our own perception; we do not obey it, we simply are it. And this second kind is by far the more powerful, for a rule one cannot see is a rule one cannot question, resist, or even recognize as a rule that might have been otherwise. The norms that shape us most deeply are precisely the ones we would never think to name.
How does a convention pass from the first state to the second — from a rule we follow to a fact we take for granted? Largely by the manner of its teaching. We acquire our deepest norms in childhood, before we possess the means to question them, absorbing them not as arguments to be weighed but as the very shape of the world we are coming to know; and we acquire them amid a unanimous chorus, every person and institution around us confirming the same arrangement, so that no alternative is ever placed in view. A convention learned this way does not present itself as one option among several; it presents itself as reality. Montaigne saw the consequence plainly: the laws of conscience, which we suppose to proceed from nature, proceed in fact from custom, each of us holding in inward reverence the opinions and manners approved around him, and unable to depart from them without remorse, or to abide by them without applause. Custom, Hume would later say, is the great guide of human life — and it guides most surely when it is mistaken for nature herself.
What the naturalized norm conceals, first of all, is that things could be otherwise — and the readiest cure for the concealment has always been the discovery that, elsewhere, they are. The traveler who finds that another people eats what his own forbids, reckons kinship by lines his own ignores, and buries or burns or exposes its dead by rites that strike him as monstrous, receives, if he is honest, a quiet shock: that the arrangements he had taken for the dictates of nature are merely the dictates of his own parish, and that the strangers feel their own customs to be no less natural than he feels his. The same lesson the historian brings from the past, where a former age is found to have taken for granted what we abhor, and abhorred what we take for granted. Comparison is the great denaturalizer, for it sets beside the supposedly necessary an actual alternative, and the necessity dissolves. What had seemed the order of the world is revealed as the order of a place and a time.
The naturalized norm conceals something subtler as well: the difference between what is done and what ought to be done. A norm begins as a regularity — this is how, in fact, people here behave — and ends as an imperative — this is how one must behave; and the passage between them is made so quietly that we seldom notice a claim about custom has turned into a claim about duty. The merely usual acquires, by its mere persistence, the authority of the right, until the person who departs from it is felt to be not unusual but wrong, not eccentric but indecent, his deviation an offense against nature or morals rather than a difference of practice. Sumner, cataloguing the folkways, drew the disturbing conclusion: that the mores can make anything right, and prevent the condemnation of anything, for whatever a society has long done it comes to regard as what it ought to do. The is of custom, worn smooth by time, is mistaken for an ought that was never established, only assumed.
Now the deepest stratum of the argument is reached. A price is a verdict on a hidden contest, mistaken for a fact of nature — and the given is that same mistake driven to its completion and lodged in the soul, where the made arrangement is no longer merely accepted as natural but felt, from within, as the very structure of reality and of right. And where such a naturalized norm carries stakes, it becomes the most perfect instrument of power ever devised, more efficient by far than the policeman or the law. For a domination felt as the order of nature requires no enforcement: those it subordinates enforce it upon themselves, experiencing their subjection not as injustice but as propriety, as the fitting and natural order of things. The arrangements that confined the woman to the hearth, that bound each caste to its inherited station, that taught the low to defer and the high to be deferred to — these did their work not chiefly by force but by naturalization, entering the very sense of what was proper so deeply that to question them seemed a kind of madness. Power that must compel is weak beside power that need only be assumed.
It would be an overreach, and the argument does not commit it, to conclude that whatever feels natural is therefore a mere convention, and whatever custom teaches therefore false. Some of what we feel as given may be given in truth: there may be moral facts — that the torture of the innocent is wrong — which the sense of necessity tracks rather than invents, and there are surely features of human life, the care of the young, the grief at death, the recoil from incest, too widespread to be dismissed as the habits of a parish. To suppose a belief refuted by the discovery that we acquired it from custom would be a plain fallacy — confusing where a conviction came from with whether it is true; Pascal's warning that tracing custom to its source destroys it is a caution against false confidence, not a proof that the custom is empty. The claim of this plate is therefore narrower, and harder to escape: that the feeling of naturalness is no evidence of real necessity, since it attaches with equal force to the arbitrary and the grounded, and so cannot be trusted to tell them apart. To denaturalize is not to debunk. It is only to suspend the spurious certainty of the obvious, and to open what had seemed settled to the inquiry it had been spared.
What the plate asks of its reader is thus a discipline, and a strenuous one: to make the given strange again. The naturalized norm has erased the very question it most needs to face — why thus, and not otherwise? — and the work is to recover that question where it has gone missing, to look at the unremarkable and find it remarkable, to treat the way things are done as a thing that calls for explanation rather than a thing too obvious to explain. The means are at hand: the comparison that sets another people's practice beside our own, the history that shows our certainty had a beginning, the question of who is served by the arrangement and who is burdened. But the difficulty is real, for the norm one would examine is not held at arm's length; it has shaped the very eyes that would inspect it and the standards by which it would be judged, so that to denaturalize one's own deepest conventions is to attempt to stand, however briefly, outside oneself. It can never be done completely. That it can be done at all is the premise of the whole volume.
For this is where the master thesis reaches its furthest and its most intimate. A price is a verdict on a hidden contest, mistaken for a fact of nature; and the given is the point at which that verdict has sunk so far below the surface that it is no longer felt as a verdict at all, but as the bedrock of the world and the dictate of conscience. The wager of the volume — the whole of its hope — is that even here, at the deepest level, the made can still be told from the given, the convention from the genuine necessity, the parish from the human: not by the feeling of obviousness, which the convention has captured, but by the patient work of comparison and history and inquiry, conducted in full awareness that the inquirer is himself a creature of the customs he examines. To win back even a little of that distinction is to win back a little freedom — the freedom, denied by the naturalized norm and restored by its unmasking, to ask of any given whether it must be so, and to answer with something firmer than the conviction that it has always been.
To see the given as made — the customary as customary, the necessary-seeming as merely usual — is the first freedom, and the hardest: the recovery of a question the naturalized norm exists to erase.
So the second plate completes the first, and with it the volume's foundation is laid. The convention was the rule kept because it is kept; the given is that same rule once it has forgotten that it is kept — once the arrangement sustained by nothing but our mutual expectation has come to feel like the frame of the world itself. Between them the two plates pose the question on which all that follows turns: how much of what we take for the order of nature, the dictate of decency, the voice of conscience, is convention that has lost the memory of its making? The volume's remaining plates are the attempt to find out — to trace the naturalized norm into the focal point and the favor, the shame and the conscience, the yoke and the cascade and the taboo, and at the last to ask whether, when every given has been made strange, anything is left standing that is given in truth. The convention can be seen through at a glance. The given is the labor of a life. The argument remains open.