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

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

As is the face, so is the mind.

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.

Every thought is, strictly speaking, an afterthought.

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

Understanding is a very dull occupation.

The human mind is an evolutionary product, just like the human body.

The real question is not whether machines think but whether men do.

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

The mind of man is capable of anything.

Your mind’s got to eat, too.

Is there no way out of the mind?