Quote by Marty McFly
"I'm your density. I mean, your destiny."
More from Marty McFly
"This is heavy."
"There's that word again, 'heavy.' Is there something wrong with the Earth's gravitational pull?"
"You're my best friend, and I care about you, but don't ask me to do this."
"If my calculations are correct, when this baby hits 88 miles per hour, you're gonna see some serious stuff."