To hurry through the rise and fall of a fine, full sentence is like defying the role of time in human life.

Leonardo is the Hamlet of art history whom each of us must recreate for himself.

I just don't think the moon is going to be an adequate substitute for the fact that we haven't addressed ourselves to clearing up the slums.

I believe that in spite of the recent triumphs of science, men haven't changed much in the last two thousand years; and in consequence we must still try to learn from history. History is ourselves.

Racial prejudices are indication of a disturbed and potentially unstable society.

No nude, however abstract, should fail to arouse in the spectator some vestige of erotic feeling... The desire to grasp and be united with another human is so fundamental a part of our nature that our judgement of what is known as 'pure form' is inevitably influenced by it, and one of the difficulties of the nude as a subject for art is that these instincts cannot be hidden.

Devotion to the facts will always give the pleasures of recognition; adherence to the rules of design, the pleasures of order and certainty.