Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
A fool sees not the same tree that a wise man sees.
WILLIAM BLAKE, The Marriage of Heaven and Hell
The downside of playing dumb is that you sound dumb.
RACHEL MADDOW, The Rachel Maddow Show, Apr. 27, 2009
Buffoons, buffoons! One can play any tune on them!
LUIGI PIRANDELLO, Henry IV
Stupid was a prison they never let you out of, no time off for good behavior, you were in for life.
STEPHEN KING (as Richard Bachman), Blaze
Smart people don't have the luxury of playing stupid.
DAN BROWN, Deception Point
Life is hard, but it's harder if you're stupid.
Stupidity makes you dangerous--to yourself and everyone around you.
JENNIFER LEE CARRELL, Interred With Their Bones
A stupid man--the most dangerous animal of all.
ARIANA FRANKLIN, The Serpent's Tale
A word to the wise ain't necessary, it's the stupid ones who need advice.
BILL COSBY, attributed, The Gods Are Angry
Who's the more foolish: the fool, or the fool who follows him?