Climbing is a heroic liberating act; and height spontaneously symbolizes things of high value, be it in the value of worldly power or of spirituality. To rise in an elevator, balloon, or airplane is to experience being liberated from weight, sublimated, invested with superhuman abilities. In addition, to rise from the earth is to approach the realm of light and overview. Therefore the negative overcoming of weight is at the same time the positive achievement of enlightenment and an unobstructed outlook.

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.

Entropy theory, on the other hand, is not concerned with the probability of succession in a series of items but with the overall distribution of kinds of items in a given arrangement.

The fundamental peculiarity of the photographic medium; the physical objects themselves print their image by means of the optical and chemical action of light.

As one gets older, it happens that in the morning one fails to remember the airplane trip to be taken in a few hours or the lecture scheduled for the afternoon.

The least touchable object in the world is the eye.

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