• 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.

    Robert Ryman: 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.
    "Light and Music". ART21 interview, art21.org.