Diogenes

Diogenes would frequently praise those who were about to marry, and yet did not marry.

"Bury me on my face," said Diogenes; and when he was asked why, he replied, "Because in a little while everything will be turned upside down."

Plato having defined man to be a two-legged animal without feathers, Diogenes plucked a cock and brought it into the Academy, and said, "This is Plato’s man." On which account this addition was made to the definition,—"With broad flat nails."

A man once asked Diogenes what was the proper time for supper, and he made answer, "If you are a rich man, whenever you please; and if you are a poor man, whenever you can."

When Alexander the Great addressed him with greetings, and asked if he wanted anything, Diogenes replied "Yes, stand a little out of my sunshine."

"Why are you begging for alms, Diogenes?" - "In order to teach generosity."

"Tell me what you want and I will give it to you," said Alexander the Great to Diogenes. "I don't need anything," the sage responded, "but if you want to make me happy, stop blocking my sunlight."

Diogenes was the first punk.

Diogenes and other Cynics were living as beggars.

After Plato defined a human as a "featherless biped," Diogenes plucked a chicken and brought it into the Academy. "Behold," he said, "a human!"