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.

In the long run our boasted control of nature is a delusion.

Logic is the art of going wrong with confidence.

Poetry, mythology, and religion represent the world as man would like to have it, while science represents the world as he gradually comes to discover it.

The flowers never waste their sweetness on the desert air or, for that matter, on the jungle air. In fact, they waste it only when nobody except a human being is there to smell it. It is for the bugs and a few birds, not for men, that they dye their petals or waft their scents.

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.

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.