One can never know enough. The unknown and its call lies even in what we know.

I have drawn all my life, I don't know how to live without drawing.

In my work, I have never had any use for anything that I have known in advance.

Nobody can teach what is inside a person; it has to be discovered for oneself and a way must be found to express it.

Boundaries are actually the main factor in space, just as the present, another boundary, is the main factor in time.

Art is that which comes to a man, and stands between himself and an implacable witness - the work.

Whatever I know how to do, I've already done. Therefore I must always do what I do not know how to do.