Be careful who you choose as your enemy because that's who you become most like.

I am the leading strings of the ego and the prompter of its concepts.

What I understand by "philosopher": a terrible explosive in the presence of which everything is in danger.

He who thinks a great deal is not suited to be a party man: he thinks his way through the party and out the other side too soon.

Strong currents drag many stones and bushes along with them, strong intellects many dense and muddled minds.

Marriage was contrived for ordinary people, for people who are capable of neither great love nor great friendship, which is to say, for most people--but also for those exceptionally rare ones who are capable of love as well as of friendship.

But this word will I say to my enemies: What is all manslaughter in comparison with what you have done to me!