Nothing great in the world has ever been accomplished without passion.

Science and knowledge, especially that of philosophy, came from the Arabs into the West.

Animals are in possession of themselves; their soul is in possession of their body. But they have no right to their life, because they do not will it.

The sublime in art is the attempt to express the infinite without finding in the realm of phenomena any object which proves itself fitting for this representation.

Every idea, extended into infinity, becomes its own opposite.

No man is a hero to his valet. This is not because the hero is no hero, but because the valet is a valet.

Truth in philosophy means that concept and external reality correspond.