It is the essence of genius to make use of the simplest ideas.

A great philosophy is not one that passes final judgments and establishes ultimate truth. It is one that causes uneasiness and starts commotion.

The honest man must be a perpetual renegade, the life of an honest man a perpetual infidelity. For the man who wishes to remain faithful to truth must make himself perpetually unfaithful to all the continual, successive, indefatigable renascent errors

One has not the right to betray even a traitor. Traitors must be fought, got betrayed.

Life holds only one tragedy, ultimately: not to have been a saint.

A word is not the same with one writer as with another. One tears it from his guts. The other pulls it out of his overcoat pocket.

Tyranny is always better organized than freedom.