The least touchable object in the world is the eye.

Since mechanically obtained randomness contains all kinds of possible permutations, including the most regular ones, it cannot be relied upon always to exhibit a pervasive irregularity.

The arts are neglected because they are based on perception, and perception is disdained because it is not assumed to involve thought.

Once it is recognized that productive thinking in any area of cognition is perceptual thinking, the central function of art in general education will become evident.

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.

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.

Variety is more than a means of avoiding boredom, since art is more than an entertainment of the senses.