Book 4
1
And then Favorinus began in this wise: If, said he, I should now ask you to tell me, and as it were to define in words, what a man is, you would not, I suppose, reply that you and I are men. For that is to show who is a man, not to tell what a man is. But if, I say, I should ask you to define exactly what a man is, you would undoubtedly tell me that a man is a mortal living being, endowed with reason and knowledge, or you would define him in some other manner which would differentiate him from all other animals. Similarly, then, I now ask you to tell what penus is, not to name some example of penus. Then that boaster, now in humble and subdued tones, said: I have never learned philosophy, nor desired to learn it, and if I do not know whether barley is included under penus, or in what words penus is defined, I am not on that account ignorant also of other branches of learning.
