Never underestimate the power of human stupidity. Robert Heinlein
Stupidity is an elemental force for which no earthquake is a match. Karl Kraus
Nothing in all the world is more dangerous than sincere ignorance and conscientious stupidity. Martin Luther King, Jr
There is more stupidity around than hydrogen, and it has a longer shelf life. Frank Zappa
If stupidity got us into this mess, then why can’t it get us out? Will Rogers
I am patient with stupidity but not with those who are proud of it. Edith Sitwell
In view of the fact that God limited the intelligence of man, it seems unfair that He did not also limit his stupidity. Konrad Adenauer
We never really know what stupidity is until we have experimented on ourselves. Paul Gauguin
Whenever a man does a thoroughly stupid thing, it is always from the noblest motives. Oscar Wilde
I can reckon with the wickedness of men, but their stupidity is often incomprehensible. Joseph Goebbels
One man alone can be pretty dumb sometimes, but for real bona fide stupidity, there ain’t nothin’ can beat teamwork. Edward Abbey