Love is being stupid together.
—Paul Valéry
An atheist has to know a lot more than I know. An atheist is someone who knows there is no god. By some definitions atheism is very stupid.
—Carl Sagan
Silly things do cease to be silly if they are done by sensible people in an impudent way.
—Jane Austen
Ordinarily he was insane, but he had lucid moments when he was merely stupid.
—Heinrich Heine
The whole dream of democracy is to raise the proletarian to the level of stupidity attained by the bourgeois.
—Gustave Flaubert
When a stupid man is doing something he is ashamed of, he always declares that it is his duty.
—George Bernard Shaw
The stupid neither forgive nor forget; the naive forgive and forget; the wise forgive but do not forget.
—Thomas Szasz
Everything too stupid to be said is sung.
—Voltaire
To be stupid, selfish, and have good health are three requirements for happiness, though if stupidity is lacking, all is lost.
—Gustave Flaubert
The trouble about trying to make yourself stupider than you really are is that you very often succeed.
—C. S. Lewis
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
—Albert Einstein
In politics stupidity is not a handicap.
—Napoleon Bonaparte
People are so stupid. They think they've got the whole puzzle figured out, but they're really so far off.
—Laurie Faria Stolarz in Deadly Little Games
The will to be stupid is a very powerful force, but there are always alternatives.
—Lois McMaster Bujold
One man alone can be pretty dumb sometimes, but for real bona fide stupidity, there ain't nothin' can beat teamwork.
—Edward Abbey