Though many have tried, no one has ever yet explained away the decisive fact that science, which can do so much, cannot decide what it ought to do.

Nothing is too great or too good to be true. Do not believe that we can imagine things better than they are. In the long run, in the ultimate outlook, in the eye of the Creator, the possibilities of existence, the possibilities open to us, are beyond our imagination.

Every time a value is born, existence takes on a new meaning; every time one dies, some part of that meaning passes away.

Civilizations die from philosophical calm, irony, and a sense of fair play quite as surely as they die of debauchery.

It is sometimes easier to head an institute for the study of child guidance than it is to turn one brat into a decent human being.

Life is very persistent and very ingenious in seizing every opportunity.

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.