To be the equal of one's opponent-this is the first condition of an honourable duel.

Every word is a prejudice.

It is impossible to suffer without making someone pay for it; every complaint already contains revenge.

Assuming that he believes at all, the everyday Christian is a pitiful figure, a man who really cannot count up to three, and who besides, precisely because of his mental incompetence, would not deserve such a punishment as Christianity promises him.

The most dangerous follower is the one whose defection would destroy the whole party: hence, the best follower.

What is more harmful than any vice? Practical sympathy and pity for all the failures and all the weak : Christianity.

Christianity is Platonism for the people.