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

Strength of mind is exercise, not rest.

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

Every thought is, strictly speaking, an afterthought.

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

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

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

Sooner or later if the activity of the mind is restricted anywhere, it will cease to function even where it is allowed to be free.

In psychoanalysis nothing is true except the exaggerations.

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

Your mind’s got to eat, too.

Imagination continually outruns the creature it inhabits.