A casual stroll through the lunatic asylum shows that faith does not prove anything.

One is most dishonest to one's god: he is not allowed to sin.

The surest aid in combating the male's disease of self-contempt is to be loved by a clever woman.

I am one thing, my writings are another.

Whoever possesses the will to suffering within himself has a different attitude towards cruelty: he does not regard it as inherently harmful and bad.

The strongest and most evil spirits have to date advanced mankind the most: they always rekindled the sleeping passions - all orderly arranged society lulls the passions to sleep; they always reawakened the sense of comparison, of contradiction, of delight in the new, the adventurous, the untried; they compelled men to set opinion against opinion, ideal plan against ideal plan.

There are the spiritually consumptive ones: hardly are they born when they begin to die, and long for doctrines of lassitude and renunciation.