A system is in equilibrium when the forces constituting it are arranged in such a way as to compensate each other, like the two weights pulling at the arms of a pair of scales.

At one of the annual conventions of the American Society for Aesthetics much confusion arose when the Society for Anesthetics met at the same time in the same hotel.

Now the work of art also represents a state of final equilibrium, of accomplished order and maximum relative entropy, and there are those who resent it. But art is not meant to stop the stream of life. Within a narrow span of duration and space the work of art concentrates a view of the human condition; and sometimes it marks the steps of progression, just as a man climbing the dark stairs of a medieval tower assures himself by the changing sights glimpsed through its narrow windows that he is getting somewhere after all.

All perceiving is also thinking, all reasoning is also intuition, all observation is also invention.

The least touchable object in the world is the eye.

In a land of immigrants, one was not an alien but simply the latest arrival.

The ambition of instantaneous photography... was that of preserving the spontaneity of action and avoiding any indication that the presence of the picture taker had a modifying influence on what was going on.