Strength of mind is exercise, not rest.

—Alexander Pope, 1733

As is the face, so is the mind.

—Roman proverb

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

—William Shakespeare, 1603

In psychoanalysis nothing is true except the exaggerations.

—Theodor Adorno, 1951

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

—Steve Biko, 1971

To be too conscious is an illness—a real thoroughgoing illness.

—Fyodor Dostoevsky, 1864

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

—Petronius, c. 60

Is there no way out of the mind?

—Sylvia Plath, 1962

What is outside my mind means nothing to it.

—Marcus Aurelius, c. 170

Every thought is, strictly speaking, an afterthought.

—Hannah Arendt, 1978

Your mind’s got to eat, too.

—Dambudzo Marechera, 1978

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

—Santiago Ramón y Cajal, 1897

The sleep of reason produces monsters.

—Francisco Goya, 1799