A limited vocabulary, but one with which you can make numerous combinations, is better than thirty thousand words that only hamper the action of the mind.

History is the science of things which are not repeated.

Sometimes I think, sometimes I am .

Serious people have few ideas. People with ideas are never serious.

Every social system is more or less against nature, and at every moment nature is at work to reclaim her rights.

The history of thought may be summed up in these words: it is absurd by what it seeks and great by what it finds.

That which has been believed by everyone, always and everywhere, has every chance of being false.