Sanity is the lot of those who are most obtuse, for lucidity destroys one's equilibrium: it is unhealthy to honestly endure the labors of the mind which incessantly contradict what they have just established.
~ Georges Bataille

No man is sane who does not know how to be insane on proper occasions.
~ Henry Ward Beecher

What frightens us most in a madman is his sane conversation.
~ Anatole France

Show me a sane man and I will cure him for you.
~ Carl Jung

In a mad world, only the mad are sane.
~ Akiro Kurosawa

What sane person could live in this world and not be crazy?
~ Ursula K. LeGuin

Sanity is a madness put to good uses; waking life is a dream controlled.
~ George Santayana

An asylum for the sane would be empty in America.
~ George Bernard Shaw