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

my mind is
a big hunk of irrevocable nothing

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

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

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

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

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

The mind of man is capable of anything.

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

Every thought is, strictly speaking, an afterthought.

Understanding is a very dull occupation.

Strength of mind is exercise, not rest.

Your mind’s got to eat, too.