Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
Never underestimate the power of stupid people in large groups.
Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity.
Egotism is the anesthetic that dulls the pain of stupidity.
Stupidity has a knack of getting its way.
I am patient with stupidity but not with those who are proud of it.
In politics stupidity is not a handicap.
If you pretend to be good, the world takes you very seriously. If you pretend to be bad, it doesn't. Such is the astounding stupidity of optimism.
The difference between stupidity and genius is that genius has its limits.
There is no sin except stupidity.
Never underestimate the power of human stupidity.
The two most common elements in the universe are hydrogen and stupidity.
Talk sense to a fool and he calls you foolish.
When a stupid man is doing something he is ashamed of, he always declares that it is his duty.
The first method for estimating the intelligence of a ruler is to look at the men he has around him.
There is nothing worse than aggressive stupidity.
Only the wisest and stupidest of men never change.
Life is tough, but it's tougher when you're stupid.
Any man can make mistakes, but only an idiot persists in his error.
To forget one's purpose is the commonest form of stupidity.
There's a fine line between fishing and just standing on the shore like an idiot.
Men are born ignorant, not stupid. They are made stupid by education.
Some drink deeply from the river of knowledge. Others only gargle.
An intelligent hell would be better than a stupid paradise.
Artificial intelligence will never be a match for natural stupidity.
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