He wanted head and hands and arms on a pillow - in many different positions. I was asked to move my hands in many different ways - also my head - and I had to turn this way and that. There were nudes that might have been of several different people - sitting - standing - even standing upon the radiator against the window - that was difficult - radiators don't intend you to stand on top of them. (On being photographed by Alfred Stieglitz)

I have a single track mind. I work on an idea for a long time. It's like getting acquainted with a person, and I don't get acquainted easily.

I often lay on that bench looking up into the tree, past the trunk and up into the branches. It was particularly fine at night with the stars above the tree.

I don't know what Art is but I know some things it isn't when I see them.

I know I can not paint a flower, I can not paint the sun on the desert on a bright summer morning but maybe in terms of paint colour I can convey to you my experience of the flower or the experience that makes the flower of significance to me at that particular time.

His letters ... have been like fine cold water when you are terribly thirsty.

My painting is what I have to give back to the world for what the world gives to me.