I have always differentiated between two types of friends; those who want proofs of friendship, and those who do not. One kind loves me for myself and the others for themselves.

Nothing is indifferent, nothing is powerless in the universe; an atom might destroy everything, an atom might save everything!

The key to success is simple. Make people dream.

The first man who compared woman to a rose was a poet; the second, an imbecile.

The enthusiasm of old men is singularly like that of infancy.

It has been rightly said that nothing is unimportant, nothing powerless in the universe; a single atom can dissolve everything, and save everything! What terror! There lies the eternal distinction between good and evil.

Our dreams are a second life. I have never been able to penetrate without a shudder those ivory or horned gates which separate us from the invisible world.