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.

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.

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

Heraclitus says that Pittacus, when he had got Alcæus into his power, released him, saying, "Forgiveness is better than revenge.

Bias used to say that men ought to calculate life both as if they were fated to live a long and a short time, and that they ought to love one another as if at a future time they would come to hate one another; for that most men were bad.

Fortune is unstable, while our will is free.

Time is the image of eternity.