I'm your density. I mean - your destiny.
Marty: "Say whatever's natural, the first thing that comes into your mind."
George: "Nothing's coming to my mind."
Marty: "Jesus, George, it's a wonder I was ever born."
George: "What?"
Marty: "Nothing."
George: "Nothing's coming to my mind."
Marty: "Jesus, George, it's a wonder I was ever born."
George: "What?"
Marty: "Nothing."
Last night, Darth Vader came down from Planet Vulcan and told me that if I didn't take Lorraine out, that he'd melt my brain.
I've had to stay on top of Biff ever since high school.