The good Lord set definite limits on man's wisdom, but set no limits on his stupidity - and that's just not fair!
The difference between genius and stupidity is that genius has it limits.
Life's tough. It's tougher if you're stupid.
A child of five would understand this. Send someone to fetch a child of five.
There is no sin except stupidity.
Education costs money, but then so does ignorance.
There is nothing more frightening than ignorance in action.
A word to the wise ain't necessary - it's the stupid ones that need the advice.
Better silent than stupid.
When a true genius appears in this world, you will know him by the sign that all the dunces are in confederation against him.
There's a fine line between fishing and just standing on the shore like an idiot.
If you ask me anything I don't know, I'm not going to answer.
Never attribute to malice what can be adequately explained by stupidity.
If you think education is expensive - try ignorance.
It is worse still to be ignorant of your ignorance.
It is said that power corrupts, but actually, it's more true that power attracts the corruptible. The sane are usually attracted by other things than power.
When Columbus started out he didn't know where he was going, when he got there he didn't know where he was, and when he got back, he didn't know where he had been.
Force always attracts men of low morality; and I believe it to be an invariable rule that tyrants of genius are succeeded by scoundrels.
Fanaticism consists in redoubling your effort when you have forgotten your sin.
Ignorance is the mother of admiration.
He that voluntarily continues in ignorance is guilty of all crimes which ignorance produces.
It is so stupid of modem civilization to have given up belief in the devil when he is the only explanation of it.
Ronald Arbuthnott Knox
The only fool bigger than the person who knows it all is the person who argues with him.
Stanislaw Jerszy Lec
He can compress the most words into the smallest idea of any man I know.
A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
The Lord gave us two ends - one to sit on and the other to think with. Success depends on which one we use the most.
In the face of an obstacle, which is impossible to overcome, stubbornness is stupid.
Simone de Beauvoir
Never underestimate the power of human stupidity.
If poverty is the mother of crime, stupidity is its father.
Jean de La Bruyere
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.