"Formerly pictures used to move towards completion in progressive stages. Each day would bring something new. A picture was a sum of additions. With me, picture is a sum of destructions. I do a picture, then I destroy it. But in the long run nothing is lost; the red that I took away from one place turns up somewhere else."

Source: s anybody out there?: religions and belief in God in the contemporary world. Book by John Bowker, p. 57, 1988.