All artists are vain, they long to be recognized and to leave something to posterity. They want to be loved, and at the same time they want to be free. But nobody is free.

Money is a good servant, a dangerous master.

Knowledge hath in it somewhat of the serpent, and therefore where it entereth into a man it makes him swell.

Nothing opens the heart like a true friend, to whom you may impart griefs, joys, fears, hopes...and whatever lies upon the heart.

All painting is an accident. But it's also not an accident, because one must select what part of the accident one chooses to preserve.

I usually accept bribes from both sides so that tainted money can never influence my decision.

Another argument of hope may be drawn from this-that some of the inventions already known are such as before they were discovered it could hardly have entered any man's head to think of; they would have been simply set aside as impossible. For in conjecturing what may be men set before them the example of what has been, and divine of the new with an imagination preoccupied and colored by the old; which way of forming opinions is very fallacious, for streams that are drawn from the springheads of nature do not always run in the old channels.