Who said "I've learned more from failing than from succeeding."?

This quote is attributed to Meg Griffin.

I've learned more from failing than from succeeding. - Meg Griffin

"I've learned more from failing than from succeeding."

Meg Griffin Knowledge

"Shut up, Meg."

"Why does everyone hate me so much?"

"I'm not that bad, am I?"

"Sometimes I think if I just disappeared, nobody would notice."

"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."