Today, each artist must undertake to invent himself, a lifelong act of creation that constitutes the essential content of the artist's work. The meaning of art in our time flows from this function of self-creation.
Source: Discovering the Present, pt. 4, ch. 24, 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.