A tragic writer does not have to believe in God, but he must believe in man.

It is not ignorance but knowledge which is the mother of wonder.

If we do not permit the earth to produce beauty and joy, it will in the end not produce food, either.

To be reminded that one is very much like other members of the animal kingdom is often funny...though...I do not too much mind being somewhat like a cat.

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

To have passed through life and never experienced solitude is to have never known oneself. To have never known oneself is to have never known anyone.

Whenever man forgets that man is an animal, the result is always to make him less humane.