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

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

The Stoics also teach that God is unity, and that he is called Mind and Fate and Jupiter, and by many other names besides.

The mountains too, at a distance, appear airy masses and smooth, but seen near at hand they are rough.

Diogenes would frequently praise those who were about to marry, and yet did not marry.

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

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.