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

The sleep of reason produces monsters.

A mind lively and at ease can do with seeing nothing, and can see nothing that does not answer.

my mind is
a big hunk of irrevocable nothing

The march of the human mind is slow.

Strength of mind is exercise, not rest.

Your mind’s got to eat, too.

The most potent weapon in the hands of the oppressor is the mind of the oppressed.

The human mind is an evolutionary product, just like the human body.

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

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

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

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