Plato had defined Man as an animal, biped and featherless, and was applauded. Diogenes plucked a fowl and brought it into the lecture-room with the words, "Here is Plato's man.

I pissed on the man who called me a dog. Why was he so surprised?

In a rich man's house there is no place to spit but his face.

Man is the most intelligent of the animals - and the most silly.

It was a favorite expression of Theophrastus that time was the most valuable thing that a man could spend.

Ability in man is an apt good, if it be applied to good ends.

To arrive at perfection, a man should have very sincere friends or inveterate enemies; because he would be made sensible of his good or ill conduct, either by the censures of the one or the admonitions of the other.

When some one boasted that at the Pythian games he had vanquished men, Diogenes replied, "Nay, I defeat men, you defeat slaves .

When asked what was the proper time for supper: If you are a rich man, whenever you please; and if you are a poor man, whenever you can.