Look not into the sun! Even the moon is too bright for your nocturnal eyes!

Books for general reading always smell bad; the odor of common people hangs around them.

It is certain that the Jew, if he desired-or if they were driven to it, as the antisemites seem to wish-could now have the ascendancy, nay, literally the supremacy, over Europe; that they are not working or planning for that end is equally sure... The resourcefulness of the modern Jews, both in mind and soul, is extraordinary.

[Heraclitus had] pride not in logical knowledge but rather in intuitive grasping of the truth.

There is a lake that one day refused to flow away and threw up a dam at the place where it had before flowed out and since then this lake has always risen higher and higher. Perhaps the very act of renunciation provides us with the strength to bear it ; perhaps man will rise ever higher and higher when he no longer flows out into a God.

Where is the lightning to lick you with its tongue? Where is the madness with which you should be cleansed? Behold, I show you the Superman. He is this lightning, he is this madness.

For both parties in a controversy, the most disagreeable way of retaliating is to be vexed and silent; for the aggressor usually regards the silence as a sign of contempt.