Who said "You're never too old to learn something new."?

This quote is attributed to Peter Griffin.

You're never too old to learn something new. - Peter Griffin

"You're never too old to learn something new."

Peter Griffin Knowledge

"Shut up, Meg."

"All right, all right, I'm coming, Elizabeth."

"Giggity!"

"You know what really grinds my gears?"

"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."