Who said "I'm not the brightest, but I'm not the dimmest either."?

This quote is attributed to Chris Griffin.

I'm not the brightest, but I'm not the dimmest either. - Chris Griffin

"I'm not the brightest, but I'm not the dimmest either."

Chris Griffin Education

"Gosh, I wish I was better at stuff."

"That's so cool! Can we keep it?"

"I'm not very good at making friends."

"Why do bad things keep happening to me?"

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."