George McFly: I've never picked a fight in my entire life.Marty McFly: Look, you're not gonna be picking a fight, Dad... Dad-Dad-Daddy-O.
Lorraine Baines: Marty, will we ever see you again?Marty McFly: I guarantee it.
Linda McFly: Then how am I supposed to ever meet anybody?Lorraine Baines: Well, it'll just happen. Like the way I met your father.Linda McFly: That was so stupid! Grandpa hit him with the car.Lorraine Baines: It was meant to be.
George McFly: Lorraine. My density has brought me to you.Lorraine Baines: What?George McFly: Oh. What I meant to say was...Lorraine Baines: Wait a minute. Don't I know you from somewhere?George McFly: Yes. Yes. I'm George. George McFly. I'm your density. I mean, your destiny.