The form is always the measure of the obsession.

Whores are the most honest girls. They present the bill right away.

I've tried doing so, for it was never my intention to paint only with gray. But in the course of my work I have eliminated one color after another, and what has remained is gray, gray, gray!

It was always disappointing to see that what I could really master in terms of form boiled down to so little.

The one thing that fills me with enthusiasm is to try, despite everything, to get nearer to those visions that seem so hard to express.

The more you fail, the more you succeed. It is only when everything is lost and - instead of giving up - you go on, that you experience the momentary prospect of some slight progress. Suddenly you have the feeling - be it an illusion or not - that something new has opened up.

All the art of the past rises up before me, the art of all ages and all civilizations, everything becomes simultaneous, as if space had replaced time. Memories of works of art blend with affective memories, with my work, with my whole life.