But Chrysippus, Posidonius, Zeno, and Boëthus say, that all things are produced by fate. And fate is a connected cause of existing things, or the reason according to which the world is regulated.

He used to say that it was better to have one friend of great value than many friends who were good for nothing.

The sun too penetrates into privies, but is not polluted by them.

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.

When Thales was asked what was difficult, he said, To know one's self. And what was easy, To advise another.

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.

Diogenes said once to a person who was showing him a dial, "It is a very useful thing to save a man from being too late for supper.