In his heart every man knows quite well that, being unique, he will be in the world only once and that no imaginable chance will for a second time gather together into a unity so strangely variegated an assortment as he is: he knows it but hides it like a bad conscience.

Is man God's biggest blunder, or is man's God?

As is well known, the priests are the most evil enemies—but why? Because they are the most impotent. It is because of their impotence that in them hatred grows to monstrous and uncanny proportions, to the most spiritual and poisonous kind of hatred. The truly great haters in world history have always been priests; likewise the most ingenious haters: other kinds of spirit hardly come into consideration when compared with the spirit of priestly vengefulness.

When a nation is on the downward path, when it feels its belief in its own future, its hope of freedom slipping from it, when it begins to see submission as a first necessity and the virtues of submission as measures of self-preservation, then it must overhaul its God.

We should not talk about our friends: otherwise we will talk away the feeling of friendship.

The universe without music would be madness.

Morality is neither rational nor absolute nor natural. World has known many moral systems, each of which advances claims universality; all moral systems are therefore particular, serving a specific purpose for their propagators or creators, and enforcing a certain regime that disciplines human beings for social life by narrowing our perspectives and limiting our horizons.