color

divorce

nationality

British

occupation / innovator as

painter

intellectual movement

contemporary art

drawer

 Berlin

Op art

scientific organization

Academy of Arts

American Academy of Arts and Sciences

is able to be dealt with only when it is realized that it is, in its basic character, unstable (in contrast to form).

The actual basis of color is instability. Once you accept that in lieu of something which is stable, which is form, you are dealing with something which is unstable in its basic character, you begin to get a way of dealing with it. (Bridget Riley)

is a thing people undertake for such trivial reasons not infrequently because they get married for such trivial reasons.

People wouldn't get divorced for such trivial reasons if they didn't get married for such trivial reasons.

Bridget RileyThinkers

Bridget Riley