Who said "Education is what happens outside the classroom."?

This quote is attributed to Bart Simpson.

Education is what happens outside the classroom. - Bart Simpson

"Education is what happens outside the classroom."

Bart Simpson Education

"Eat my shorts!"

"Ay caramba!"

"Don't have a cow, man."

"Cowabunga!"

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."