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

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

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

There is no female mind. The brain is not an organ of sex. As well speak of a female liver.

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

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

Strength of mind is exercise, not rest.

The march of the human mind is slow.

From a man’s face, I can read his character. If I can see him walk, I know his thoughts.

my mind is
a big hunk of irrevocable nothing

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

Understanding is a very dull occupation.

Brains are the only things worth having in this world.