Who said "I've learned so much from this experience."?

This quote is attributed to George McFly.

I've learned so much from this experience. - George McFly

"I've learned so much from this experience."

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."