Not by wrath does one kill, but by laughter.

When one rows it is not the rowing which moves the ship: rowing is only a magical ceremony by means of which one compels a demon to move the ship.

Whenever the strength of a belief strongly steps into the foreground, we must infer a certain weakness of demonstrability and the improbability of that belief.

Every attainment, every step forward in knowledge, follows from courage, from hardness against oneself, from cleanliness in relation to oneself.

From whatever you wish to know and measure you must take your leave, at least for a time. Only when you have left the town can yousee how high its towers rise above the houses.

He who knows not how to plant his will in things at least endows them with some meaning: that is to say, he believes that a will is already present in them (A principle of faith.)

Who is better, they who promote truth over happiness, or happiness over truth?