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.

War is a specific product of civilization.

Every transformation of humanity has rested upon deep stirrings and intuitions, whose rationalized expression takes the form of a new picture of the cosmos and the nature of the human.

Western society has accepted as unquestionable a technological imperative that is quite as arbitrary as the most primitive taboo: not merely the duty to foster invention and constantly to create technological novelties, but equally the duty to surrender to these novelties unconditionally, just because they are offered, without respect to their human consequences.

Happiness, I think, lies on the surface... when one plunges under the surface all the buoyant things disappear, and the farther down one gets the more cold and dark it seems: and the more oppressive space feels.

It was Stieglitz's endeavor... to translate the unseen world of tactile values as they develop between lovers not merely into the sexual act but the entire relation of two personalities - to translate this world of blind touch into sight.

Nothing is unthinkable, nothing impossible to the balanced person, provided it comes out of the needs of life and is dedicated to life's further development.