Action is coarsened thought; thought becomes concrete, obscure, and unconscious.

Emancipation from error is the condition of real knowledge.

Everything you need for better future and success has already been written. And guess what? All you have to do is go to the library.

Liberty, equality - bad principles! The only true principle for humanity is justice; and justice to the feeble is protection and kindness.

To depersonalize man is the dominant drift of our times.

The immense majority of our species are candidates for humanity, and nothing more.

Common sense is the measure of the possible; it is composed of experience and prevision; it is calculation applied to life.