Who said "I've learned to appreciate what I have."?

This quote is attributed to Peter Griffin.

I've learned to appreciate what I have. - Peter Griffin

"I've learned to appreciate what I have."

Peter Griffin Gratitude

"Shut up, Meg."

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

"Giggity!"

"You know what really grinds my gears?"

"Gratitude makes life richer."

"A grateful heart is a happy heart."

"Respect those who came before us."

"Life's greatest treasures are the people we love"