I don't follow any system. All the laws you can lay down are only so many props to be cast aside when the hour of creation arrives.

Blue is the only color which maintains its own character in all its tones it will always stay blue; whereas yellow is blackened in its shades, and fades away when lightened; red when darkened becomes brown, and diluted with white is no longer red, but another color – pink.

Nature, my dear sir, is only a hypothesis.

I paint is the way I see things with my eyes and in my heart.

France has lived a long time - eight or nine centuries - and yet art in France, too, was derivative up until the 19th Century.

When I feel a little confused, the only thing to do is to turn back to the study of nature before launching once again into the subjects closest to heart.

American art, like America, must wait and live a while longer.