50. Man alone, of those that are on the earth, considers not of (his) provision after the unchangeable manner and

usages of the irrational animals. For these, destitute (as they are) of knowledge, avail themselves of the aid of nature alone, and receive their provision from the stem, unprepared by agriculture, and uncleansed from the weed. He however, by his knowledge cleanses (this) ; thus too does he pulverize, fully season, and make it well to pass the fire. Of the wheat also he will, whenever he pleases, make bread. He is moreover, careful so to provide, that a healthy provision of food may be secured. And every profitable commodity, either of the vine, the olive, or of the fruit tree of every flavour, does he appropriate; and these does he alone apply to the sanative uses of the body.