Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.
He who stands for nothing will fall for anything.
If a cluttered desk is a sign of a cluttered mind, of what, then, is an empty desk a sign?
Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity.
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The difference between stupidity and genius is that genius has its limits.
Better to ask a question than to remain ignorant.
The problem with the world is that the intelligent people are full of doubts while the stupid ones are full of confidence.
You can't find stupidity in the forest.
Never argue with an idiot. They will only bring you down to their level and beat you with experience.
The greatest of all sins is stupidity.
We are all born ignorant, but one must work hard to remain stupid.
To forget one's purpose is the commonest form of stupidity.
When I was fourteen, my father was so ignorant I could hardly stand to have him around. When I got to be twenty-one, I was astonished at how much he had learned in seven years.
Nothing in all the world is more dangerous than sincere ignorance and conscientious stupidity.
I am patient with stupidity, but not with those who are proud of it.
I am not ashamed to confess I am ignorant of what I do not know.
The reason there's so much ignorance is that those who have it are so eager to share it.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
Better to be ignorant of a matter than half know it.
Egotism is the anesthetic that dulls the pain of stupidity.
Religious wars are basically people killing each other over who has the better imaginary friend.
There are more fools in the world than there are people.
Ignorance doesn't kill you, but it makes you sweat a lot.
Being ignorant is not so much a shame as being unwilling to learn.
The highest form of ignorance is when you reject something you don't know anything about.
Most ignorance is invincible ignorance.We don't know because we don't want to know.
Against stupidity; God Himself is helpless.
Anyone can make mistakes, but only an idiot persists in their error.
Stupidity is without anxiety.
An empty head is not really empty; it is stuffed with rubbish. Hence the difficulty of forcing anything into an empty head.
Never forget public ignorance is the government's best friend.
Genius may have its limitations, but stupidity is not thus handicapped.
The doctor sees all the weakness of mankind;
the lawyer all the wickedness, the theologian all the stupidity.
Seriousness is stupidity sent to college.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the universe.
I do not pretend to know where many ignorant men are sure -- that is all that agnosticism means.
Everybody is ignorant -- only on different subjects.
Men are born ignorant, not stupid. They are made stupid by education.
A stupid man's report of what a clever man says is never accurate because he unconsciously translates what he hears into something he can understand.
Ignorance is not bliss -- ignorance is ignorance.
Strange as it may seem, no amount of learning can cure stupidity, and formal education positively fortifies it.
Never underestimate the power of stupid people in large groups.
A man profits more by the sight of an idiot than by the orations of the learned.
I don't want anything I don't deserve, but if they offer me more money, I'm not stupid.
Ignorance is not innocence, but sin.
To be conscience that you are ignorant is a great step to knowledge.
Stupidity often saves a man from going mad.
Ignorance and inconsideration are the two great causes of the ruin of mankind.
Stupidity is the friend of evil.
My loathings are simple: stupidity, oppression, crime, cruelty, soft music.
I am an agnostic; I do not pretend to know what many ignorant men are sure of.
A learned blockhead is a greater blockhead than an ignorant one.
There is nothing more frightful than ignorance in action.
If Stupidity got us into this mess, then why can't it get us out?
Ignorance is bold and knowledge reserved.
Never underestimate the power of human stupidity.