"A modern mathematical proof is not very different from a modern machine, or a modern test setup: the simple fundamental principles are hidden and almost invisible under a mass of technical details."

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The only things that distinguish the photographer from everybody else are his pictures: they alone are the basis for our special interest in him. If pictures cannot be understood without knowing details of the artist's private life, then that is a reason for faulting them; major art, by definition, can stand independent of its maker.

— Robert Adams