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

Strength of mind is exercise, not rest.

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

Every thought is, strictly speaking, an afterthought.

Is there no way out of the mind?

my mind is
a big hunk of irrevocable nothing

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

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

What is outside my mind means nothing to it.

Not all heads have a brain.

A mind lively and at ease can do with seeing nothing, and can see nothing that does not answer.

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

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