If anything affects your eye, you hasten to have it removed; if anything affects your mind, you postpone the cure for a year.

We need strength, we need energy, we need quickness, and we need brain in this country to turn it around.

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

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

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

Is there no way out of the mind?

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

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

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

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

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