Imagination continually outruns the creature it inhabits.

Brains are the only things worth having in this world.

The mind is not, I know, a highway but a temple, and its doors should not be carelessly left open.

Brain, n. An apparatus with which we think that we think.

It is far, far better and much safer to have a firm anchor in nonsense than to put out on the troubled seas of thought.

The real question is not whether machines think but whether men do.

Is there no way out of the mind?

In psychoanalysis nothing is true except the exaggerations.

To be too conscious is an illness—a real thoroughgoing illness.

The brain is an unreliable organ, it is monstrously great, monstrously developed. Swollen, like a goiter.

Don’t lose your mind unless you have paid for it.

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

Imagination is the secret and marrow of civilization. It is the very eye of faith.