Who said "Real power is knowing when to shut up. I'm not good at that."?

This quote is attributed to Peter Griffin.

Real power is knowing when to shut up. I'm not good at that. - Peter Griffin

"Real power is knowing when to shut up. I'm not good at that."

Peter Griffin Power

"Shut up, Meg."

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

"Giggity!"

"You know what really grinds my gears?"

"Power without control is just destruction."

"Power is not about control, it's about influence"

"The world doesn't need me to be the hero. It just needs me to be dangerous."

"The claws come out when I need them to."