There is no purification in this world equal to wisdom.
There is no genius free from some tincture of madness.
It isn’t smart to argue with a fool; listeners can’t tell which is which.
Discussion is an exchange of intelligence; argument is an exchange of ignorance.
Never understimate stupid people in large groups.
Smart is believing half of what you hear, brilliant is knowing which half to believe.
He appears to have been educated beyond his intelligence.
An assault upon reason makes inevitable an assault upon order.
Some people are wise, and some people are otherwise.
Mr. Madison, what you’ve just said is one of the most insanely idiotic things I have ever heard. At no point in your rambling, incoherent response were you even close to anything that could be considered a rational thought. Everyone in this room is now dumber for having listened to it. I award you no points, and may God have mercy on your soul.
The primary purpose of a liberal education is to make one’s mind a pleasant place in which to spend one’s time.
T. H. Huxley
1825 — 1895
Wise men talk because they have something to say; fools, because they have to say something.
427? — 348? B.C.
A closed mind is like a closed book: just a block of wood.
Intelligence is no defense for stupidity.