Vitae philosophorum
Diogenes Laertius
Diogenes Laertius. Hicks, R. D., editor. Cambridge, MA.: Harvard University Press; London: William Heinemann Ltd., 1925.
It is said that at Athens he so attracted the public that people would run together from the workshops to look at him. And when some one said, Stilpo, they stare at you as if you were some strange creature. No, indeed, said he, but as if I were a genuine man. And, being a consummate master of controversy, he used to demolish even the ideas, and say that he who asserted the existence of Man meant no individual; he did not mean this man or that. For why should he mean the one more than the other? Therefore neither does he mean this individual man. Again, vegetable is not what is shown to me, for vegetable existed ten thousand years ago. Therefore this is not vegetable. The story goes that while in the middle of an argument with Crates he hurried off to buy fish, and, when Crates tried to detain him and urged that he was leaving the argument, his answer was, Not I. I