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.

In psychoanalysis nothing is true except the exaggerations.

What a torture to talk to filled heads that allow nothing from the outside to enter them.

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

Understanding is a very dull occupation.

my mind is
a big hunk of irrevocable nothing

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

Any man could, if he were so inclined, be the sculptor of his own brain.

The brain may be regarded as a kind of parasite of the organism, a pensioner, as it were, who dwells with the body.

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.

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

Not all heads have a brain.