Out of the crooked timber of humanity, no straight thing was ever made.

Nothing is divine but what is agreeable to reason.

Reason can never prove the existence of God.

Morality is not really the doctrine of how to make ourselves happy but of how we are to be worthy of happiness.

Man emerged as the dominant type on earth about a million years ago, but has only been really effective as a psychosocial organism for under ten thousand years…

We adore perfection because we can't have it; it would disgust us if we had it. Perfect is inhuman, because human is imperfect.

A map of the world that does not include Utopia is not worth even glancing at, for it leaves out the one country at which Humanity is always landing.