If we never met again in our lives I should feel that somehow the whole adventure of existence was justified by my having met you.

Every work of art is an abstraction from time; it denies the reality of change and decay and death.

The vast material displacements the machine has made in our physical environment are perhaps in the long run less important than its spiritual contributions to our culture.

When vitality runs high, death takes men by surprise. But if they close their eyes to this possibility, what they gain in peace they lose in sensibility and significance.

Stieglitz conceived, though he never carried out, a series of photographs of the heads of stallions and mares, of bulls and cows, in the act of mating, hoping to catch in the brute an essential quality that would symbolize the probably unattainable photograph of a passionate human mating.

Without leisure there can be neither art nor science nor fine conversation, nor any ceremonious performance of the offices of love and friendship.

The artist does not illustrate science; ... [but] he frequently responds to the same interests that a scientist does, and expresses by a visual synthesis what the scientist converts into analytical formulae or experimental demonstrations.