Fools and fanatics are always so certain of themselves.

The world that we must seek is a world in which the creative spirit is alive, in which life is an adventure full of joy and hope, based rather upon the impulse to construct than upon the desire to retain what we possess or to seize what is possessed by others.

Language serves not only to express thought but to make possible thoughts which could not exist without it.

The finding of arguments for a conclusion given in advance is not philosophy, but special pleading

The moral thing I should wish to say to them is very simple; I should say: "Love is wise - Hatred is foolish." In this world, which is getting more and more closely interconnected, we have to learn to tolerate each other.

It is obviously possible that what we call waking life may only be an unusual and persistent nightmare.

Vanity is a motive of immense potency.