Who said "I've learned more in one day than in my whole life."?

This quote is attributed to George McFly.

I've learned more in one day than in my whole life. - George McFly

"I've learned more in one day than in my whole life."

George McFly Education

"I'm your density. I mean, your destiny."

"This is heavy."

"There's that word again, 'heavy.' Is there something wrong with the Earth's gravitational pull?"

"I'm not very good at science."

"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."