Book 4
1.3
These that I have mentioned are very different in taste, smell, and other qualities, and he reckons more sorts which I have omitted. The second Homer skilfully refutes, when he tells us that the plague first began amongst the beasts. Besides, the shortness of their lives proves that they are very subject to diseases; for there is scarce any irrational creature long lived, besides the crow and the chough; and those two every one knows do not confine themselves to simple food, but eat any thing. Besides, you take no good rule to judge what is easy and what is hard of digestion from the diet of those that are sick; for labor and exercise, and even to chew our meat well, contribute very much to digestion, neither of which can agree with a man in a fever. Again, that the variety of meats, by reason of the different qualities of the particulars, should disagree and spoil one another, you have no reason to fear. For if Nature chooses from dissimilar bodies what is fit and agree able, the diverse nourishment transmits many and sundry qualities into the mass and bulk of the body, applying to every part that which is meet and fit; so that, as Empedocles words it, The sweet runs to the sweet, the sour combines With sour, the sharp with sharp, the hot with hot;
