we to suppose then that nature has only implanted these instincts in fowls and dogs and bears, anxious only about their offspring, to put us mortals out of countenance and to give us a bad name? considering these examples for us to follow, while disgrace justly attaches to our inhumanity, for mankind only is accused of having no disinterested affection, and of not knowing how to love except in regard to advantage. For that line is greatly admired in the theatres, "Man loves man only for reward," and is the view of Epicurus, who thinks that the father so loves his son, the mother her child, children their parents. Whereas, if the brutes could understand conversation, and if anyone were to introduce horses and cows and dogs and birds into a common theatre,9 and were to change the sentiment into "neither do dogs love their pups, nor horses their foals, nor birds their young, out of interest, but gratuitously and by nature," it would be recognized by the affections of all of them to be a true sentiment. Why it would be disgraceful, great God, that birth and travail and procreation should be gratis and mere nature among the beasts, while among mankind they should be merely mercenary transactions!
§ iii. But such a statement is not true or worthy of credit. For as nature, in wild growths, such as wild vines, wild figs, or wild olives, makes the fruit imperfect and inferior to the fruit of cultivated trees, so has she given to the brutes an imperfect affection for their kind, one neither marked by justice nor going beyond commodity: whereas to man, a logical and social animal, she has taught justice and law, and honour to the gods, and building of cities, and philanthropy, and has contributed the noble and goodly and fruitful seeds of all these in love to one's offspring, thereby following the very first elements that are found in the construction of the body. For nature is everywhere perfect and artistic and complete, and, to borrow the expression of Erasistratus, has nothing tawdry about her: but one cannot adequately describe all the processes appertaining to birth, nor would it be perhaps decent to pry too closely into such hidden matters, and to particularize too minutely all their wondrous ingenuity.