Stupidity is something unshakable; nothing attacks it without breaking itself against it; it is of the nature of granite, hard and resistant.
Gustave Flaubert

Stupidity is the deliberate cultivation of ignorance.
William Gaddis

Stupidity often saves a man from going mad.
Oliver Wendell Holmes

Stupidity talks, vanity acts.
Victor Hugo

Stupidity trumps Machiavelli almost every time when you are looking for an explanation.
Robert Foster Bennett

Stupidity, outrage, vanity, cruelty, iniquity, bad faith, falsehood - we fail to see the whole array when it is facing in the same direction as we.
Jean Rostand

The difference between stupidity and genius is that genius has its limits.
Albert Einstein

The discipline of the written word punishes both stupidity and dishonesty.
John Steinbeck

The doctor sees all the weakness of mankind; the lawyer all the wickedness, the theologian all the stupidity.
Arthur Schopenhauer

The greatest danger of bombs is in the explosion of stupidity that they provoke.
Octave Mirbeau

The music industry's actions at the time of 9/11 and since have been actions driven by patriotism in most instances, and greed and stupidity to a lesser degree. Sounds like real life doesn't it?
Ronnie James Dio

The two most common elements in the universe are hydrogen and stupidity.
Harlan Ellison

The vast amount of waste and sheer stupidity in government - from the Pentagon to the Food and Drug Administration - could fill committee agendas for years.
Tom Coburn

The whole dream of democracy is to raise the proletarian to the level of stupidity attained by the bourgeois.
Gustave Flaubert

There are some frauds so well conducted that it would be stupidity not to be deceived by them.
Charles Caleb Colton

There is more stupidity than hydrogen in the universe, and it has a longer shelf life.
Frank Zappa

There is no nonsense so gross that society will not, at some time, make a doctrine of it and defend it with every weapon of communal stupidity.
Robertson Davies

There is no sin except stupidity.
Oscar Wilde

To be stupid, selfish, and have good health are three requirements for happiness, though if stupidity is lacking, all is lost.
Gustave Flaubert

To forget one's purpose is the commonest form of stupidity.
Friedrich Nietzsche