One of the sayings of Diogenes was that most men were within a finger's breadth of being mad; for if a man walked with his middle finger pointing out, folks would think him mad, but not so if it were his forefinger.

Whichever you do, you will repent it.

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

Aristippus said that a wise man's country was the world.

Aristippus being asked what were the most necessary things for well-born boys to learn, said, "Those things which they will put in practice when they become men.

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

Socrates said, "Those who want fewest things are nearest to the gods.