Anaxagoras said to a man who was grieving because he was dying in a foreign land, "The descent to Hades is the same from every place.

When asked what learning was the most necessary, he said, “Not to unlearn what you have learned!”

Anaximander used to assert that the primary cause of all things was the Infinite,-not defining exactly whether he meant air or water or anything else.

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

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

Fortune is unstable, while our will is free.

Diogenes lighted a candle in the daytime, and went round saying, "I am looking for a man.