Biff Tannen: Go ahead, kid! Jump! A suicide will be nice and neat.
Marty McFly: What if I don't?
Biff Tannen: Lead poisoning.

Doc: However, the destruction may be very localized; limited to merely our own galaxy.
Marty McFly: Well that's a relief.

Doc: They're taking her home, to your future home! We'll arrive shortly thereafter, get her out of there and go back to 1985.
Marty McFly: You mean, I'm going to see where I live? I'm gonna see myself as an old man?
Doc: No, no, no Marty, that could result in a... Great scott! Jennifer could conceivably encounter her future self! The consequences of that could be disastrous!
Marty McFly: Doc, what do you mean?

I foresee two possibilities. One, coming face to face with herself 30 years older would put her into shock and she would simply pass out. Or two, the encounter could create a time paradox, the results of which could start a chain reaction that would unravel the very fabric of the space time continuum, and destroy the entire universe! Granted, that's a worse case scenario.

Doc

I have your car towed all the way to your house and all you've got for me is *lite* beer?

Biff Tannen

Tardy slip for you, Miss Parker. And one for you, McFly. I believe that makes four in a row. Now let me give you a nickel's worth of free advice, young man. This so-called Dr. Brown is dangerous, he's a real nutcase. You hang around with him, you're gonna end up in big trouble.

Mr. Strickland

Marty McFly: Hey Needles.
Needles: So, did you take a look at that little business proposal of mine?
Marty McFly: I don't know Needles...
Needles: What are you afraid of? If this thing works out it will solve all your financial problems.
Marty McFly: And if it doesn't work Needles I could get fired! It's ILLEGAL! I mean, what if the Jitz is monitoring, huh?
Needles: The Jitz will NEVER find out!
Marty McFly: Oh, ha, ha.
Needles: Come on... Stick your card in the slot and I'll handle it. Unless you want everyone in the division to think your... Chicken...
Marty McFly: NOBODY CALLS ME CHICKEN NEEDLES, NOBODY!
Needles: All right, prove it.
Marty McFly: All right, all right Needles. Here's my card. Scan it, I'm in.
Needles: Thanks McFly, I'll see you at the plant tomorrow.

Iko 'Jitz' Fujitsu: McFly!
Marty McFly: Fujitsu-san, Kon-nichiwa.
Iko 'Jitz' Fujitsu: McFly, I was monitoring that scan you just interfaced. You are terminated!
Marty McFly: Terminated? No, no, it wasn't my fault sir! It was Needles, Needles was behind the whole thing!
Iko 'Jitz' Fujitsu: And you cooperated!
Marty McFly: No, I didn't, it was sting operation.
Iko 'Jitz' Fujitsu: It was illegal, and you knew!
Marty McFly: I was setting him up.
Iko 'Jitz' Fujitsu,: McFly, read my fax!
Marty McFly: No! Please! I cannot be fired, I'm fired! Oh...

Marty McFly: [referring to Biff] How could he be your husband? How could you leave dad for him?
Old Lorraine: Leave dad? Marty, are you feeling all right?
Marty McFly: NO! NO I'M NOT FEELING ALL RIGHT! I DON'T UNDERSTAND ONE THING THAT'S GOING ON AROUND HERE AND WHY NO ONE CAN GIVE ME A SIMPLE STRAIGHT ANSWER!
Old Lorraine: Oh... They must have hit you over the head hard this time.

Marty McFly: Mom, I just want to know one thing. Where's my father? Where's George McFly?
Old Lorraine: Marty... George... Your father is in the same place he's been for the past 12 years... Oak Park Cemetery.

You'll have to forgive the crudeness of this model, I didn't have time to paint it or build it to scale.

Dr. Emmett Brown

George McFly: I know what you're gonna say, son. And you're right, you're right. But uh... Biff just happens to be my supervisor, and I'm afraid I'm just no good at... confrontations.
Marty McFly: The car, Dad. I mean he wrecked it. He totaled it. I needed that car tomorrow night, Dad. Do you have any idea how important this is to me? Do you have any clue?
George McFly: I know, And all I can say is... I'm sorry.

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