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.

Ignorance plays the chief part among men, and the multitude of words.

There is a written and an unwritten law. The one by which we regulate our constitutions in our cities is the written law; that which arises from customs is the unwritten law.

Diogenes, when asked from what country he came, replied, "I am a citizen of the world."

Courage, my boy! that is the complexion of virtue.

Once when Bion was at sea in the company of some wicked men, he fell into the hands of pirates; and when the rest said, "We are undone if we are known,"-"But I," said he, "am undone if we are not known.

Antisthenes used to say that envious people were devoured by their own disposition, just as iron is by rust.