One has to pay dearly for immortality; one has to die several times while one is still alive.

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.

The most fundamental form of human stupidity is forgetting what we were trying to do in the first place.

God is Dead; but given the way of men, there may still be caves for thousands of years in which his shadow will be shown. And we - we still have to vanquish his shadow, too.

Over immense periods of time the intellect produced nothing but errors. A few of these proved to be useful and helped to preserve the species: those who hit upon or inherited these had better luck in their struggle for themselves and their progeny. Such erroneous articles of faith... include the following: that there are things, substances, bodies; that a thing is what it appears to be; that our will is free; that what is good for me is also good in itself.

It is not doubt,is certitude that drives you mad.

He has drawn back, only in order to have enough room for his leap