God is dead. God remains dead. And we have killed him. How shall we comfort ourselves, the murderers of all murderers? What was holiest and mightiest of all that the world has yet owned has bled to death under our knives: who will wipe this blood off us? What water is there for us to clean ourselves? What festivals of atonement, what sacred games shall we have to invent? Is not the greatness of this deed too great for us? Must we ourselves not become gods simply to appear worthy of it?

Science ... has no consideration for ultimate purposes, any more than Nature has, but just as the latter occasionally achieves things of the greatest suitableness without intending to do so, so also true science, as the imitator of nature in ideas, will occasionally and in many ways further the usefulness and welfare of man,-but also without intending to do so.

The greater the obstacle the more glory in overcoming it. - What does not destroy makes me stronger.

For out of fear and need each religion is born, creeping into existence on the byways or reason.

Animals know nothing of themselves, and they also know nothing of the world.

Happiness is the feeling that power increases - that resistance is being overcome.

. . . an absurd problem came to the surface: 'How COULD God permit that (crucifixion of Jesus Christ)!' . . . the deranged reason of the little community found quite a frightfully absurd answer: God gave his Son for forgiveness, as a SACRIFICE . . . The SACRIFICE FOR GUILT, and just in its most repugnant and barbarous form - the sacrifice of the innocent for the sins of the guilty! What horrifying heathenism!