Morality is the best of all devices for leading mankind by the nose.

The humanity of famous intellectuals lies in being wrong with gracious courtesy when dealing with those who are not famous.

It is a prejudice to think that morality is more favourable to the development of reason than immorality.

Watch them clamber, these swift monkeys! They clamber over one another and thus drag one another into the mud and the depth. They all want to get to the throne: that is their madness — as if happiness sat on the throne. Often, mud sits on the throne — and often the throne also on mud. Mad they all appear to me, clambering monkeys and overardent. Foul smells their idol, the cold monster: foul, they smell to me altogether, these idolators.

Do not paint a picture either of God or the devil on your walls: this will ruin both your walls and the atmosphere.

The anarchist and the Christian have a common origin.

Someone said: "I have been prejudiced against myself from my earliest childhood: hence I find some truth in all blame and some stupidity in all praise. I generally estimate praise too poorly and blame too highly.