Man alone suffers so excruciatingly in the world that he was compelled to invent laughter.

All preachers of morality, as also all theologians have a bad habit in common: all of them try to persuade man that he is very ill, and that a severe, final, radical cure is necessary.

One cannot read the New Testament without acquired admiration for whatever it abuses not to speak of the "wisdom of this world," which an impudent wind bag tries to dispose of "by the foolishness of preaching."

Do you call yourself Free? It is your ruling thought that I would hear, and not that you have escaped from a yoke.

The best of all things is something entirely outside your grasp: not to be born, not to be, to be nothing. But the second-best thing for you - is to die soon.

I can be thrown by the wayside, but I'm looking at the stars.

With regard to philosophical metaphysics, I always see increasing numbers who have attained to the negative goal, but as yet few who climb a few rungs backwards; one ought to look out, perhaps, over the last steps of the ladder, but not try to stand upon them.