To speak well of a base man is much the same as speaking ill of a good man.

A man was desired to rise from bed because the sun was already up. He replied: "If I had as far to go and as much to do as he has, I should be up by now; but having but a little way to go, I shall not get up yet."

We must doubt the certainty of everything which passes through the senses, but how much more ought we to doubt things contrary to the senses, such as the existence of God and the soul.

To be a winner you must want to win but must know of the chance of losing and must not fear of it.

How painting surpasses all human works by reason of the subtle possibilities which it contains.

It vexes me greatly that having to earn my living has forced me to interrupt the work and to attend to small matters.

Motion is created by the destruction of balance.