Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
The two most common elements in the universe are hydrogen and stupidity.
If there are no stupid questions, then what kind of questions do stupid people ask? Do they get smart just in time to ask questions?
Genius may have its limitations, but stupidity is not thus handicapped.
To be stupid, selfish, and have good health are three requirements for happiness, though if stupidity is lacking, all is lost.
Smoking kills. If you're killed, you've lost a very important part of your life.
It is dangerous to be sincere unless you are also stupid.
We're going to turn this team around 360 degrees.
Talk sense to a fool and he calls you foolish.
If Stupidity got us into this mess, then why can't it get us out?
Whenever I watch TV and see those poor starving kids all over the world, I can't help but cry. I mean I'd love to be skinny like that but not with all those flies and death and stuff.
Only the wisest and stupidest of men never change.
The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt.
There is more stupidity than hydrogen in the universe, and it has a longer shelf life.
Although it is not true that all conservatives are stupid people, it is true that most stupid people are conservative.
To succeed in the world it is not enough to be stupid, you must also be well-mannered.
There is nothing worse than aggressive stupidity.
Men are born ignorant, not stupid. They are made stupid by education.
Whenever a man does a thoroughly stupid thing, it is always from the noblest motives.
I am patient with stupidity but not with those who are proud of it.
or simply:
