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

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

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.

“I think, therefore I am” is the statement of an intellectual who underrates toothaches.

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

my mind is
a big hunk of irrevocable nothing

What the brain does by itself is infinitely more fascinating and complex than any response it can make to chemical stimulation.

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

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

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.

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

As is the face, so is the mind.

Brains are the only things worth having in this world.