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

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

Every thought is, strictly speaking, an afterthought.

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

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

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

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

The mind of man is capable of anything.

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

The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.

Is there no way out of the mind?

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

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