Who said "The more you know, the more you realize you don't know"?

This quote is attributed to Kenny McCormick.

The more you know, the more you realize you don't know - Kenny McCormick

"The more you know, the more you realize you don't know"

Kenny McCormick Knowledge

"Mmph mmph mrmph!"

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

"Dude, we're in third grade"

"This is so cool"

"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."