George McFly:Lorraine, my density has bought 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.
George McFly: 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.
Marty McFly: Wait a minute, Doc. Ah... Are you telling me you built a time machine... out of a DeLorean?
Dr. Emmett Brown: The way I see it, if you're gonna build a time machine into a car, why not do it with some style?
[1955 Doc is watching a video of 1985 Doc]
Dr. Emmett Brown: What on Earth's this thing I'm wearing?
Marty McFly: Ah, this, this is a radiation suit.
Dr. Emmett Brown: Radiation suit? Of course, because of all the fallout from the atomic wars.
[In the past, Marty observes his dad's incompetence]
Marty McFly: Jesus, George, it's a wonder I was ever born.
Mr. Strickland: I noticed your band is on the roster for the dance auditions after school today. Why even bother, McFly? You don't have a chance, you're too much like your old man. No McFly ever amounted to anything in the history of Hill Valley!
Marty McFly: Yeah, well, history is gonna change.
Marty McFly: Too loud. I can't believe it. I'm never gonna get a chance to play in front of anybody.
Jennifer Parker: Marty, one rejection isn't the end of the world.
Marty McFly: Nah, I just don't think I'm cut out for music.
Jennifer Parker: But you're good, Marty, you're really good. And this audition tape of yours is great. You've gotta send it in to the record company. It's like Doc's always saying...
Marty McFly: Yeah, I know, I know. If you put your mind to it you can accomplish anything.
[He sees two girls walk by and looks at them]
Jennifer Parker: [turns Marty's head back to her] That's good advice, Marty.
Biff Tannen: And uh, where's my reports?
George McFly: Uh, well, I haven't finished those up yet, but you know I... I figured since they weren't due till...
Biff Tannen: Hello? Hello? Anybody home? Huh? Think, McFly. Think! I gotta have time to get 'em retyped. Do you realize what would happen if I hand in my reports in your handwriting? I'll get fired. You wouldn't want that to happen, would ya? Would ya?
George McFly: Of course not, Biff. I wouldn't want that to happen. Now, look. I'll finish those reports on up tonight and I'll run 'em on over first thing tomorrow. All right?
Marty McFly: [being chased by terrorists] Let's see if you bastards can do 90.
Biff Tannen: [runs up to Marty holding up car keys] Oh, Marty... Marty, here's your keys. You're all waxed up, ready for tonight.
Marty McFly: [takes the keys from Biff] Keys?
[Later Marty opens the garage and sees the black pick-up truck he saw the day before he went back in time]
[concerning his audition tape]
Marty McFly: What if I send it in and they don't like it? What if they say I'm no good? What if they say "Get out of here, kid. You got no future."? I mean, I just don't think I can take that kind of rejection. Jesus, I'm starting to sound like my old man!
Dave McFly: [kissing George McFly on the head] See ya later, Pop. Whooo, time to change that oil.
Dr. Emmett Brown: If my calculations are correct, when this baby hits eighty-eight miles per hour... you're gonna see some serious shit.
[In 1955, Tab and Pepsi Free aren't invented yet]
Lou: You gonna order something, kid?
Marty McFly: Ah, yeah... Give me a Tab.
Lou: Tab? I can't give you a tab unless you order something.
Marty McFly: All right, give me a Pepsi Free.
Lou: You want a Pepsi, PAL, you're gonna pay for it.
Goldie Wilson: [rushes up to George] Say! Why do you let those boys push you around like that for?
George McFly: Well, they're bigger than me.
Goldie Wilson: Stand tall, boy. Have some *respect* for yourself. Don't you know if you let people walk over you now, they'll be walking over you for the rest of your life! Look at me. You think I'm gonna spend the rest of my life in *this* slop house?
Lou: Watch it, Goldie!
Goldie Wilson: No, sir! I'm gonna *make* something of myself. I'm going to Night School. And one day I'm gonna *be* somebody!
Marty McFly: That's right! He's gonna be mayor.
Goldie Wilson: Yeah, I'm gonna...[smiles, one of his front teeth is gold]
Goldie Wilson: Mayor! Now *that's* a good idea! I can run for mayor.
Lou: A colored mayor, *that'll* be the day.
Goldie Wilson: You wait and see, Mr. Carruthers. I *will* be mayor! I'll be the most powerful man in Hill Valley. And I'm gonna clean up this town.
Lou: Good. You can start by sweeping the floor.[hands Goldie a broom]
Goldie Wilson: [stands tall with a hand over his heart] Mayor Goldie Wilson. Like the *sound* of that.
[Dr. Emmett Brown is doubting Marty McFly's story about that he is from the future]
Dr. Emmett Brown: Then tell me, "Future Boy", who's President in the United States in 1985?
Marty McFly: Ronald Reagan.
Dr. Emmett Brown: Ronald Reagan? The actor?[chuckles in disbelief]
Dr. Emmett Brown: Then who's VICE-President? Jerry Lewis?[later he rushes outside, down a hill and toward his laboratory]
Dr. Emmett Brown: I suppose Jane Wyman is the First Lady!
Marty McFly: [following Doc] Whoa! Wait! Doc!
Dr. Emmett Brown: And Jack Benny, the Secretary of the Treasury.
Marty McFly: [outside the lab door] Doc, You gotta listen to me.
Dr. Emmett Brown:[opens the door to the lab] I've had enough practical jokes for one evening. Good night, Future Boy!
[closes the door leaving Marty outside]
Marty McFly: No, wait! Doc. The... the... the bruise... the bruise on your head. I know how that happened! You told me the whole story. You were standing on your toilet, and you were hanging a clock, and you fell, and you hit your head on the sink. And that's when you came up with the idea for the Flux Capacitor...
Marty McFly: which... is what makes time travel possible.
[Doc opens the door and looks at Marty with a stunned look on his face]