Life of Pythagoras — Iamblichus, trans. Thomas Taylor (1818)

With respect to generation also, the Pythagoreans are said to have made the following observations. In the first place, they thought it necessary to guard against what is called untimely [offspring]. For neither untimely plants, nor animals, are good; but prior to their bearing fruit, it is necessary that a certain time should intervene, in order that seeds and fruit may be produced from strong and perfect bodies. It is requisite, therefore, that boys and virgins should be accustomed to labors and exercises, and appropriate endurance, and that food should be given to them adapted to a life of labor, temperance, and endurance. But there are many things of this kind in human life, which it is better to learn at a late period, and among these is the use of venery. It is necessary, therefore, that a boy should be so educated, as not to seek after such a connexion as this, within the twentieth year of his age. But when he arrives at this age, he should use venery rarely. This however will be the case, if he thinks that a good habit of body is an honorable and beautiful thing. For intemperance and a good habit of body, are not very much adapted to subsist together in the same person. It is also said, that those laws were praised by the Pythagoreans, which existed prior

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to their time in Grecian cities, and which prohibited the having connexion with a woman who is a mother, or a daughter, or a sister, either in a temple, or in a public place. For it is beautiful and advantageous that there should be numerous impediments to this energy.

These men also apprehended, as it seems, that preternatural generations, and those which are effected in conjunction with wanton insolence, should be entirely prevented from taking place; but that those should be suffered to remain, which are according to nature, and subsist with temperance, and which take place in the chaste and legal procreation of children.

They likewise were of opinion that great providential attention should be paid by those who beget children, to the future progeny. The first, therefore, and the greatest care which should be taken by him who applies himself to the procreation of children is, that he lives temperately and healthfully, that he neither fills himself with food unseasonably, nor uses such aliments as may render the habits of the body worse than they were, and above all things, that he avoids intoxication. For they thought that depraved seed was produced from a bad, discordant, and turbid temperament. And universally they were of opinion, that none but an indolent and inconsiderate person would attempt to produce an animal, and lead it into existence, without providing with all possible diligence that its ingress into being and life might be most elegant and pleasing. For those that are lovers of dogs, pay every possible attention to the generation of whelps, in order that they may be produced from such things as are proper, and when it is proper, and in such a way as is proper, and thus may become a good offspring. The same attention also is paid by those who are lovers of birds. And it is evident that others also who are studious about the procreation of generous animals, endeavour by all possible means, that the generation of them may not bein vain. It would be absurd therefore that men

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