When your madness is creative and necessary, people will not notice the fact that you are crazy.

The most ignorant of all people is a person who is self assured in his or her premature decisions.

The problem with the world is that everyone does not have a brain, but everyone does have a tongue.

Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.

People demand freedom of speech as a compensation for the freedom of thought which they seldom use.

Longbottom, if brains were gold, you'd be poorer than Weasley, and that's saying something.

No evidence is powerful enough to force acceptance of a conclusion that is emotionally distasteful.

A tree doesn't make a thunderstorm, but any fool knows where lighting´s going to strike".

you must be stupid , if you think that i'm stupid enough, to believe your stupidness stupidity .

You can only manage to convince a person to admit to being wrong, not ignorant, arrogant, or stupid.

What is it you most dislike? Stupidity, especially in its nastiest forms of racism and superstition.

He had just about enough intelligence to open his mouth when he wanted to eat, but certainly no more.

Be a hero or enjoy fucking life, don’t try to be bunch of stupid flesh acting as normal humans.

Some People are Tired of Being Stupid But they Cant Stop Being Stupid Because They are Already Stupid.

If there were a master of stupidity in this world, I would really love to listen to his success story.