Who said "Motivation is just fear with better marketing."?

This quote is attributed to Peter Griffin.

Motivation is just fear with better marketing. - Peter Griffin

"Motivation is just fear with better marketing."

Peter Griffin Motivation

"Shut up, Meg."

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

"Giggity!"

"You know what really grinds my gears?"

"I believe in working hard for what you want."

"Never underestimate the power of determination."

"I don't need a reason to fight."

"The most important thing is the mission. Nothing else matters."