Who said "I have no idea what I'm doing, and neither does anyone else."?

This quote is attributed to Peter Griffin.

I have no idea what I'm doing, and neither does anyone else. - Peter Griffin

"I have no idea what I'm doing, and neither does anyone else."

Peter Griffin Wisdom

"Shut up, Meg."

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

"Giggity!"

"You know what really grinds my gears?"

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."