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

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

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

Modern science knows much about such conflicts. We call the mental state that engenders it "ambivalence": a collision between thought and feeling.

We learn courageous action by going forward whenever fear urges us back.

Good humor isn't a trait of character, it is an art which requires practice.

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