Who said "I'm smarter than you, that's just a fact."?

This quote is attributed to Cartman.

I'm smarter than you, that's just a fact. - Cartman

"I'm smarter than you, that's just a fact."

Cartman Knowledge

"Screw you guys, I'm going home!"

"I'm not fat, I'm just big-boned!"

"You will respect my authority!"

"Hippies, they're everywhere!"

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."