"La faute en est aux dieux, qui la firent si bête."

"We are growing serious, and, let me tell you, that's the very next step to being dull."

"The world’s prize stupid oaf is the man who thinks he already has all the answers."

"Think of how stupid the average person is, and then realize half of them are stupider than that."

"I never heard tell of any clever man that came of entirely stupid people."

"With various readings stored his empty skull, Learn'd without sense, and venerably dull."

"All humans are stupid, but the smarter ones at least have a handle on their own ignorance."

"I find we are growing serious, and then we are in great danger of being dull."

"Aristotle taught that the brain exists merely to cool the blood and is not involved in the process of thinking. This …"

"I'd all but given up my crusade to rid the world of fools…there are, I found, just too many!"