My work...is to shatter the faith of men here, there, and everywhere, faith in affirmation, faith in negation, and faith in abstention from faith, and this for the sake of faith in faith itself.

Man habitually sacrifices his life to his purse, but he sacrifices his purse to his vanity.

The devil is an angel too.

A man does not die of love or his liver or even of old age; he dies of being a man.

Science is a cemetery of dead ideas, even though life may issue from them.

Suffering is the substance of life and the root of personality, for it is only suffering that makes us persons.

Sow the living part of yourselves in the furrow of life.