Only two things are infinite, the universe and human stupidity, and I’m not sure about the former.
– Albert Einstein
The two most common elements in the universe are hydrogen and stupidity.
– Harlan Ellison
Ordinarily he was insane, but he had lucid moments when he was merely stupid.
– Heinrich Heine
If there are no stupid questions, then what kind of questions do stupid people ask? Do they get smart just in time to ask questions?
– Scott Adams
Genius may have its limitations, but stupidity is not thus handicapped.
– Elbert Hubbard
It is dangerous to be sincere unless you are also stupid.
George Bernard Shaw
Talk sense to a fool and he calls you foolish.
Strange as it seems, no amount of learning can cure stupidity, and higher education positively fortifies it.
– Stephen Vizinczey
Get all the fools on your side and you can be elected to anything.
– Frank Dane
It is impossible to make people understand their ignorance; for it requires knowledge to perceive it and therefore he that can perceive it hath it not.
– Jeremy Taylor
Sometimes I wonder whether the world is being run by smart people who are putting us on or by imbeciles who really mean it.
― Laurence J. Peter
Nothing in all the world is more dangerous than sincere ignorance and conscientious stupidity.
– Martin Luther King Jr
There are more fools in the world than there are people.
– Heinrich Heine
Artificial Intelligence is no match for natural stupidity.
Against stupidity the gods themselves contend in vain.
Friedrich Von Schiller
To be stupid, selfish, and have good health are three requirements for happiness, though if stupidity is lacking, all is lost.
– Gustave Flaubert
Never attribute to malice what can be adequately explained by stupidity.
Against logic there is no armor like ignorance.
– Laurence J. Peter