Noble spirits are heterodox.

A fundamental condition of Being is slavery. Man is the slave of God, and God that of His vanity.

Certainty is the most vivid condition of ignorance and the most necessay condition for knowledge.

I - a philosopher - live in the cage of flesh and blood.

The only absurdity in which I find equally immense compassion and morality is Christianity - though the compassion is outlandish and the morality is blemished.

History is like a ghost. It is as dead as alive.

The worst of all superstitions may be that astrology is a superstition.