Leo Stein (May 11, 1872 – July 29, 1947) was an American art collector and critic. He was born in Allegheny City (now in Pittsburgh), the older brother of Gertrude Stein. He became an influential promoter of 20th-century paintings. (wikipedia)
Since there are only a few original people in the world, there is more uniformity than one might expect, in view of the large number who think they have something to say
The wise man questions the wisdom of others because he questions his own, the foolish man, because it is different from his own.