As is the face, so is the mind.

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

my mind is
a big hunk of irrevocable nothing

Your mind’s got to eat, too.

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

The mind of man is capable of anything.

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

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

Is there no way out of the mind?

What a torture to talk to filled heads that allow nothing from the outside to enter them.

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

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

Sanity is madness put to good uses; waking life is a dream controlled.