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And shall we think that Nature has bred such affections in these creatures, because she is solicitous for the propagation of hens, dogs, and bears, and not that she may by these means make us ashamed? Certainly we must conclude that these creatures, following the duct of nature, are for our example, and that they much upbraid the remorselessness of humanity, of which human nature alone is culpable, in not being capable of gratuitous love, nor knowing how to be a friend without profit. Well therefore might the comedian be admired who said, For reward only man loves man. Epicurus thinks that after this manner children are beloved of their parents, and parents of their children. But if the benefit of speech were allowed to brutes, and if horses, cows, dogs, and birds were brought upon the stage, and the song were changed, and it were said that neither the bitch loved her whelps for gain, nor the mare her foal, nor fowls their chickens, but that they were all beloved gratis and by impulse of nature, then by the affection of all brutes this assertion would be approved as just and true. And is it not a shame, that the procreation of beasts, their birth, pains in birth, and their education, should be by nature and gratis, and yet for these things that man should require usury, rewards, and bribes?