Who said "Hope is a four-letter word that keeps people sane."?

This quote is attributed to Meg Griffin.

Hope is a four-letter word that keeps people sane. - Meg Griffin

"Hope is a four-letter word that keeps people sane."

Meg Griffin Hope

"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."

"Every day is a new opportunity."

"Hope is what gets us through difficult times."

"I'm not your enemy, kid. I'm trying to save you."

"Redemption is a long road."