Freedom of opinion is like health; both are individual, and no good general conception can be set up of either of them.

No artist will tolerate the world for one second as it is.

What is good? All that heightens the feeling of power, the will to power, power itself in man.

What doesn't kill you make you stronger.

The view that honesty is something, and even a virtue, belongs, it is true, to those private opinions which are forbidden in this age of public opinions.

Every week we ought to have one hour for recieving letters, then go take a bath.

No more fiction, for now we calculate; but that we may calculate, we had to make fiction first.