Understanding is a very dull occupation.

What the brain does by itself is infinitely more fascinating and complex than any response it can make to chemical stimulation.

Brains are the only things worth having in this world.

Madness need not be all breakdown. It may also be breakthrough.

In psychoanalysis nothing is true except the exaggerations.

The march of the human mind is slow.

As is the face, so is the mind.

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.

We need strength, we need energy, we need quickness, and we need brain in this country to turn it around.

The universe is an object of thought at least as much as it is a means of satisfying needs.

Imagination continually outruns the creature it inhabits.

Though this be madness, yet there is method in’t.