Your mind’s got to eat, too.

What is the hardest task in the world? To think.

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

Every thought is, strictly speaking, an afterthought.

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

Is there no way out of the mind?

It is far, far better and much safer to have a firm anchor in nonsense than to put out on the troubled seas of thought.

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

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.

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

Not all heads have a brain.

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