3,849 Quotes About Intelligence

Every now and then a man's mind is stretched by a new idea or sensation, and never shrinks back to its former dimensions.

A dozen more questions occurred to me. Not to mention twenty-two possible solutions to each one, sixteen resulting hypotheses and counter-theorems, eight abstract speculations, a quadrilateral equation, two axioms, and a limerick. That's raw intelligence for you.

Military intelligence is a contradiction in terms.

The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.

Beauty is a sign of intelligence.

Men have called me mad; but the question is not yet settled, whether madness is or is not the loftiest intelligence.

Do not think of knocking out another person's brains because he differs in opinion from you. It would be as rational to knock yourself on the head because you differ from yourself ten years ago.

I imagine that the intelligent people are the ones so intelligent that they don't even need or want to look 'intelligent' anymore.

Humans beings always do the most intelligent thing…after they’ve tried every stupid alternative and none of them have worked