What better way to prove that you understand a subject than to make money out of it?
Source: The Cultural Situation Today, in Partisan Review (New Brunswick, N.J), Summer 1972; repr. as Discovering the Present, Introduction, 1973.
-- Harold Rosenberg, (Feb 2 1906-1978), US writer, educator, philosopher; He was particularly known for his insightful contributions to the understanding of 20th-century visual art.