Whenever a man does a thoroughly stupid thing, it is always from the noblest motives.

So this is what men are like. Well, that's it, then - I am going to be a lesbian.

It is only because of their stupidity that they are able to be so sure of themselves.

There is more stupidity than hydrogen in the universe, and it has a longer shelf life.

He was stupid. If I killed everyone who was stupid, I wouldn't have time to sleep.

Ignorance is not stupidity, but it might as well be. And I do not like feeling stupid.

For someone who's smarter than a supercomputer, sometimes you're a real idiot.

Though my stomach is only the size of a pea, I could eat two politicians’ brains.

Anger is stupid, and stupidity will kill you more surely than your opponent's blade.

The more hideous the mental contortions, the greater the delight and bravos of the mass.

You cannot argue stupidity, you just have to accept it patiently as one of those things.

Stupidity is to have amnesia over your own faults when the person you hate makes theirs.

An original thought would crack your feeble skull like a thunderbolt, you craven vulture.

If a cluttered desk is a sign of a cluttered mind, of what, then, is an empty desk a sign?

the Great Vaccination — the vaccination against the stupidity of the intelligentsia.