You call yourself free? I want to hear your ruling thought and not that you have escaped a yoke. Are you such a one as was permitted to escape a yoke? There are some who threw away their ultimate worth when they threw away their servitude. Free from what? What is that to Zarathustra! But your eyes should announce to me brightly: free for what?

My formula for happiness: a Yes, a No, a straight line, a goal.

The unselective knowledge drive resembles the indiscriminate sexual drive--signs of vulgarity!

The drive toward knowledge has a moral origin.

We believe that we know something about the things themselves when we speak of trees, colors, snow, and flowers; and yet we possess nothing but metaphors for things - metaphors which correspond in no way to the original entities.

Be careful, lest in casting out your demon you exorcise the best thing in you.

He who humbles himself wants to be exalted.