One had to immerse oneself in one's surroundings and intensely study nature or one's subject to understand how to recreate it.

There is no light painting or dark painting, but simply relations of tones.

Art first of all is optical. That's where the material of our art is: in what our eyes think.

Keep good company - that is, go to the Louvre.

If I think, I am lost.

You must think. The eye is not enough; it needs to think as well.

Painting is damned difficult - you always think you've got it, but you haven't.