If one knows exactly what is going to be done, why do it?

There's nothing more difficult than a line.

If you don't know what color to take, take black.

Those who attempts to explain a picture are on the wrong track most of the time.

I'm always doing things I can't do. That's how I get to do them.

Ah, good taste! What a dreadful thing! Taste is the enemy of creativeness.

It takes a long time to become young.