“I sense a learning: that much dumber people than you end up in charge.”
“You go to school everyday. Folks who think they've learned everything they need to know are usually dumber than chickens.”
“I don’t think he’s dumber than a politician. But only because it’s not possible to be dumber than a politician.”
“You must be dumber than you think I think you are.”
“They never learn. The smarter they are, the dumber they get.”
“It takes more muscles to frown than it does to smile, which make sense because yesterday I frowned so much I ended up pulling my groin muscle.”