It is sad not to love, but it is much sadder not to be able to love.

The tears of anguish irritate and excite; but those of repentance are the ones that wash.

Man is perishing. That may be, and if it is nothingness that awaits us let us so act that it will be an unjust fate.

The supreme triumph of reason is to cast doubt upon its own validity.

Philosophy fulfills the need to create for ourselves a single and complete concept of the world and of life.

Art distills sensations and embodies it with enhanced meaning.

These terrible sociologists, who are the astrologers and alchemists of our twentieth century.