The ascetic makes a necessity of virtue.

Necessity is not a fact; it's an interpretation.

Discontent is the seed of ethics.

Without the errors which lie in the assumption of morality, man would have remained an animal.

Everything is the same, nothing is worthwhile, the world is senseless, knowledge strangles.

Of all writings I love only that which is written with blood. Write with blood: and you will discover that blood is spirit.

The perfect woman is a higher type of humanity than the perfect man, and also something much rarer. The natural history of animals furnishes grounds in support of this theory.