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.

Plato affirmed that the soul was immortal and clothed in many bodies successively.

One of the sophisms of Chrysippus was, "If you have not lost a thing, you have it.

Time is the image of eternity.

Thales said there was no difference between life and death. Why, then, said some one to him, do not you die? Because, said he, it does make no difference.

Arcesilaus had a peculiar habit while conversing of using the expression, "My opinion is," and "So and so will not agree to this.

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