12.1
There is, moreover, a considerable element of self-indulgence in matters of sex as well, since those who live in luxury require a variety of sexual partners, not only lawful but unlawful ones, not only females but also males, hunting now after these lovers, now after those, and, not content with those who are readily available, they pursue rare ones, and seek out shameful unions — all of which are grave accusations against a human being. But those who are not self-indulgent, or not depraved, must regard as just only those sexual acts that are accomplished within marriage and for the begetting of children, because these are also lawful; whereas those which pursue mere pleasure are unjust and unlawful, even if they occur within marriage. As for other unions, those that involve adultery are the most unlawful, and no more moderate than these are the relations of males with males, since the act is against nature. And all those unions with females which fall outside adultery, being deprived of taking place according to law, are likewise all shameful, since they are done through lack of self-control. For a man possessed of self-control would not bring himself to approach a courtesan, nor a free woman apart from marriage, nor, by Zeus, his own serving-maid. For the fact that these unions are neither lawful nor decent makes them a disgrace and a great reproach to those who pursue them; hence no one endures to do any such thing openly, even if he is capable of blushing only a little, but those who have not entirely fallen away dare to do these things by concealment and in secret. And yet trying to escape notice in what one does is the mark of someone who admits he is doing wrong. "By Zeus," someone says, "but it is not the same: whereas the adulterer wrongs the husband of the woman he has corrupted, the man who consorts with a courtesan does not in this way wrong anyone, nor, by Zeus, does the man who consorts with a woman who has no husband; for he destroys no one's hope of children."