Just as the unmusical ear is not competent to judge music, so it is likewise with pictures, whether they are paintings, drawings or photos. Only a sensitive and trained eye gives us the right to judge.

We never really perceive what color is physically!

Simultaneous contrast is not just a curious optical phenomenon - it is the very heart of painting.

I paint the way I spread butter on pumpernickel.

I count all the time on resonance. I call on this, you see.

What has been said does not simply belong to us.

As basic rules of a language must be practiced continually, and therefore are never fixed, so exercises toward distinct color effects never are done or over. New and different cases will be discovered time and again.