The world is my representation

The fourfold root of the principle of sufficent reason is "Anything perceived has a cause. All conclusions have premises. All effects have causes. All actions have motives.

The fruits of Christianity were religious wars, butcheries, crusades, inquisitions, extermination of the natives of America, and the introduction of African slaves in their place.

Genius is to other gifts what the carbuncle is to the precious stones. It sends forth its own light, whereas other stones only reflect borrowed light.

There is no doubt that life is given us, not to be enjoyed, but to be overcome; to be got over.

Nothing shocks our moral feelings so deeply as cruelty does. We can forgive every other crime, but not cruelty. The reason for this is that it is the very opposite of compassion.

A man can surely do what he wills to do, but cannot determine what he wills.