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An Enquiry Concerning the Principles of Morals

David Hume · 1750-1769 (composition of the Enquiry; earlier draft/revisions around the mid-1750s to 1760s) primary

passage 24 of 90 · SECTION I. OF THE GENERAL PRINCIPLES OF MORALS. > SECTION IV. (2/4)

in brief
Hume argues that chastity and fidelity to the marriage bed are justified by their social utility, notes how laws differ by sex and age, and gives examples of incest rules in Athens and Rome.

requires the virtue of chastity or fidelity to the marriage bed. Without such a UTILITY, it will readily be owned, that such a virtue would never have been thought of.

[Footnote: The only solution, which Plato gives to all the objections that might be raised against the community of women, established in his imaginary commonwealth, is, [Greek quotation here]. Scite enim istud et dicitur et dicetur, Id quod utile sit honestum esse, quod autem inutile sit turpe esse. [De Rep lib v p 457 ex edit Ser]. And this maxim will admit of no doubt, where public utility is concerned, which is Plato's meaning. And indeed to what other purpose do all the ideas of chastity and modesty serve? "Nisi utile est quod facimus, frustra est gloria," says Phaedrus. [Greek quotation here], says Plutarch, de vitioso pudore. "Nihil eorum quae damnosa sunt, pulchrum est." The same was the opinion of the Stoics [Greek quotation here; from Sept. Emp lib III cap 20].

An infidelity of this nature is much more PERNICIOUS in WOMEN than in MEN. Hence the laws of chastity are much stricter over the one sex than over the other.

These rules have all a reference to generation; and yet women past child-bearing are no more supposed to be exempted from them than those in the flower of their youth and beauty. GENERAL RULES are often extended beyond the principle whence they first arise; and this in all matters of taste and sentiment. It is a vulgar story at Paris, that, during the rage of the Mississippi, a hump-backed fellow went every day into the Rue de Quincempoix, where the stock-jobbers met in great crowds, and was well paid for allowing them to make use of his hump as a desk, in order to sign their contracts upon it. Would the fortune, which he raised by this expedient, make him a handsome fellow; though it be confessed, that personal beauty arises very much from ideas of utility? The imagination is influenced by associations of ideas; which, though they arise at first from the judgement, are not easily altered by every particular exception that occurs to us. To which we may add, in the present case of chastity, that the example of the old would be pernicious to the young; and that women, continually foreseeing that a certain time would bring them the liberty of indulgence, would naturally advance that period, and think more lightly of this whole duty, so requisite to society.

Those who live in the same family have such frequent opportunities of licence of this kind, that nothing could prevent purity of manners, were marriage allowed, among the nearest relations, or any intercourse of love between them ratified by law and custom. Incest, therefore, being PERNICIOUS in a superior degree, has also a superior turpitude and moral deformity annexed to it.

What is the reason, why, by the Athenian laws, one might marry a half-sister by the father, but not by the mother? Plainly this: The manners of the Athenians were so reserved, that a man was never permitted to approach the women's apartment, even in the same family, unless where he visited his own mother. His step-mother and her children were as much shut up from him as the woman of any other family, and there was as little danger of any criminal correspondence between them. Uncles and nieces, for a like reason, might marry at Athens; but neither these, nor half-brothers and sisters, could contract that alliance at Rome, where the intercourse was more open between the sexes. Public utility is the cause of all these variations.

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topics: custom and unwritten law · justice as a virtue · marriage and betrothal

An Enquiry Concerning the Principles of Morals · David Hume · 1750–1769