"My approach tends to be from experiments. I need the challenge. If I know how to do something well, there's no need to do it all the time because it becomes a little monotonous. So I like to find a challenge."
"The white on the dark ground sometimes made blue, so you would have a kind of blue halo- but there was no real blue pigment involved. It was just the white and the dark gray that caused that. I was aware of that, and it all became part of the composition."
- Robert Ryman