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.

Happiness is a kind of gratitude and vice versa.

What a man knows is everywhere at war with what he wants.

There is no conceivable human action which custom has not at one time justified and at another condemned.

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.

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

As machines get to be more and more like men, men will come to be more like machines.