It was Christianity which first painted the devil on the worlds walls; It was Christianity which first brought sin into the world. Belief in the cure which it offered has now been shaken to it's deepest roots; but belief in the sickness which it taught and propagated continues to exists.

What is life? A continuous praise and blame.

Once blasphemy again God was the greatest blasphemy; but God died, and thereupon those blasphemers died too.

Whatever a theologian regards as true must be false: there you have almost a criterion of truth.

To do great things is difficult; but to command great things is more difficult.

What good is a book that does not even transport us beyond all books?

Concerning great things one should either be silent or speak loftily.