Our national flower is the concrete cloverleaf.

The cycle of the machine is now coming to an end. Man has learned much in the hard discipline and the shrewd, unflinching grasp of practical possibilities that the machine has provided in the last three centuries: but we can no more continue to live in the world of the machine than we could live successfully on the barren surface of the moon.

The fact that order and creativity are complementary has been basic to man's cultural development; for he has to internalize order to be able to give external form to his creativity.

New York is the perfect model of a city, not the model of a perfect city.

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.

In vulgar usage, progress has come to mean limitless movement in space and time, accompanied, necessarily, by an equally limitless command of energy: culminating in limitless destruction.

Today, the notion of progress in a single line without goal or limit seems perhaps the most parochial notion of a very parochial century.