"One is to know that art is not national, that to be merely an American or a French artist is to be nothing; to fail to overcome one's initial environment is never to reach the human.. .Thus when we say one of the ideals of modern art has been internationalism, it is.. ..as a natural consequence of dealing with reality on a certain level. [quote in 1946]"
January 1, 1970
https://en.wikiquote.org/wiki/Robert_Motherwell