For the purpose of knowledge we must know how to make use of the inward current which draws us towards a thing, and also of the current which after a time draws us away from it.

There is an innocence in lying which is the sign of good faith in a cause.

What else is love but understanding and rejoicing in the fact that another person lives acts and experiences otherwise than we do?

To find everything profound - that is an inconvenient trait. It makes one strain one's eyes all the time, and in the end one finds more than one might have wished.

Christianity has taken the part of all the weak, the low, the botched; it has made an ideal out of antagonism to all the self preservative instincts of sound life; it has corrupted even the faculties of those natures that are intellectually most vigorous, by representing the highest intellectual values as sinful, as misleading, as full of temptation.

The strength required for the vision of the most powerful reality is not only compatible with the most powerful strength for action, for monstrous action, for crime - it even presupposes it.

The more abstract the truth you wish to teach, the more must you allure the senses to it.