The famous balance of nature is the most extraordinary of all cybernetic systems. Left to itself, it is always self-regulated.

Long before I ever saw the desert I was aware of the mystical overtones which the observation of nature made audible to me. But I have never been more frequently or more vividly aware of them than in connection with the desert phenomena.

Only those within whose own consciousness the sun rise and set, the leaves burgeon and wither, can be said to be aware of what living is.

Anxiety and distress, interrupted occasionally by pleasure, is the normal course of man's existence.

Cats are rather delicate creatures and they are subject to a good many different ailments, but I have never heard of one who suffered from insomnia.

Metaphysics may be, after all, only the art of being sure of something that is not so and logic only the art of going wrong with confidence.

The most serious charge which can be brought against New England is not Puritanism but February.