Fear of self is the greatest of all terrors, the deepest of all dread, the commonest of all mistakes. From it grows failure. Because of it, life is a mockery. Out of it comes despair.

If you give yourself to your task at once, you won't have to do it twice.

The key to most difficulties does not lie in the dilemmas themselves, but in our relationship to them.

A wise unselfishness is not a surrender of yourself to the wishes of anyone, but only to the best discoverable course of action.

Intellectual comradeship requires that you think your thoughts through to the place where you can make the complex seem simple, the obscure quite clear.

Make yourself an efficient spark plug, igniting the latent energy of those about you.

Courage and conviction are powerful weapons against an enemy who depends only on fists or guns. Animals know when you are afraid; a coward knows when you are not.