There is more stupidity than hydrogen in the universe, and it has a longer shelf life.
Ignorance is not lack of intelligence, nor knowledge a proof of genius.
Stupidity is not another form of knowledge.
All the great evils which men cause to each other because of certain intentions, desires, opinions, or religious principles, are likewise due to non-existence, because they originate in ignorance, which is absence of wisdom.
I look at you and I see the final triumph of stupidity in the world!
I have been Foolish and Deluded, and I am a Bear of No Brain at All.
Stupidity cannot be cured with money, or through education, or by legislation.
The melancholy thing about the world is that it is full of stupid people; and the world is run for the benefit of the stupid and common.
No amount of intelligence can save you from stupidity.
You can reach stupidity only with a cannon ball.
Stupidity is much the same all the world over. A stupid person's notions and feelings may confidently be inferred from those which prevail in the circle by which the person is surrounded. Not so with those whose opinions and feelings are an emanation from their own nature and faculties.
Real stupidity beats artificial intelligence every time.
It is against stupidity in every shape and form that we have to wage our eternal battle. But how can we wonder at the want of sense on the part of those who have had no advantages, when we see such plentiful absence of that commodity on the part of those who have had all the advantages?