Nature, my dear sir, is only a hypothesis.

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.

Nature, my dear sir, is only a hypothesis.

Blue is the only color that maintains its own character in all its tones…it will always stay blue.

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

My eyes were made to erase all that is ugly.

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.