"My fan mail is enormous. Everyone is under six."

"The underlying sense of form in my work has been the system of the universe, or part thereof. For that is a rather large model to work from."

"Just as one can compose colors, or forms, so one can compose motions."

"Why must art be static? You look at an abstraction, sculptured or painted, an entirely exciting arrangement of planes, spheres, nuclei, entirely without meaning. It would be perfect, but it is always still. The next step in sculpture is motion."

"I'm conscious of a series of circles working its way through my life. And at this particular moment I have come round to the beginning of my writing cycle. It begins with poetry. There's hardly a day that goes past on which I don't write poetry."

"You have to be willing to be afraid if you're going to be an artist."

"Teachers believe they have a gift for giving it drives them with the same irrepressible drive that drives others to create a work of art or a market or a building."

"Art is the stored honey of the human soul, gathered on wings of misery and travail."