The Gay Science, section 108

The weak and misbegotten shall perish: first principle of our brotherly love. And they shall be given every assistance.

I am almost equal to a shadow.

The final reward of the dead - to die no more

Moral sensibilities are nowadays at such cross-purposes that to one man a morality is proved by its utility, while to another its utility refutes it.

Modern marriage has lost its meaning--consequently it is being abolished.

All I need is a sheet of paper and something to write with, and then I can turn the world upside down.