Persons of slender intellectual stamina dread competition, as dwarfs are afraid of being run over in the street.

He that makes himself an ass must not take it ill if men ride him.

A learned blockhead is a greater blockhead than an ignorant one.

We never really know what stupidity is until we have experimented on ourselves.

You should be more afraid of a stupid man than of an evil one.

Stupidity is without anxiety.

I have always noticed that people only think you are stupid if you do things differently from them.

He was endowed with a stupidity which by the least stretch would go around the globe four times and tie.

Men never sound more stupid than when they're telling you they're a very complex personality.

One man alone can be pretty dumb sometimes, but for real bona fide stupidity, there ain't nothin' can beat teamwork.

An ass may bray a good while before he shakes the stars down.

With stupidity and sound digestion man may front much.

The hardest thing to cope with is not selfishness or vanity or deceitfulness, but sheer stupidity.

Against stupidity the very gods Themselves contend in vain.

Stupidity often saves a man from going mad.

Idiot, n. A member of a large and powerful tribe whose influence in human affairs has always been dominant and controlling.

It's too bad that stupidity isn't painful.

Think of how stupid the average person is, and realize half of them are stupider than that.

The two most common elements in the universe are hydrogen and Stupidity.

One great mistake made by intelligent people is to refuse to believe that the world is as stupid as it is.