It's the honest ones you want to watch out for, because you can never predict when they're gonna do something incredibly stupid.
— Rudi? I've got to tell you something!
— I know. But let me tell you something: You don't have to be afraid!
— Why are you crying?
— Because I'm stupid!
— Is the reason for cry? For example, I cry because other are stupid and it makes me sad.
There are no stupid questions, just stupid people.
Cujusvis hominis est errare, nullius, nisi insipientis, in errore perseverare.
Who's the more foolish, the fool or the fool who follows him?
Answer not a fool according to his folly, lest thou also be like unto him.