Back to the Future Part II

Marty McFly: "There he is, Doc! Let's land on him, we'll cripple his car."
Doc: "Marty, he's in a '46 Ford, we're in a DeLorean. He'd rip through us like we were tin foil."

Marty McFly: "I don't get it, Doc. I mean, how can all this be happening? It's like we're in Hell or something."
Doc: "No, it's Hill Valley. Although I can't imagine Hell being much worse!"

Marty McFly: "That's right, Doc. November 12, 1955."
Doc: "Unbelievable, that old Biff could have chosen that particular date. It could mean that that point in time inherently contains some sort of cosmic significance. Almost as if it were the temporal junction point for the entire space-time continuum. On the other hand, it could just be an amazing coincidence."

Marty McFly: "What about the police, Biff? They're gonna match up the bullet with that gun."
Biff Tannen: "Kid, I own the police! Besides, they couldn't match up the bullet that killed your old man."
Marty McFly: "You son of a..."
Biff Tannen: "I suppose it's poetic justice - two McFlys with the same gun."

Marty McFly: "Where are we? When are we?"
Doc: "We're descending toward Hill Valley, California, at 4:29 pm, on Wednesday, October 21st, 2015."
Marty McFly: "2015? You mean we're in the future?"
Jennifer: "Future? Marty, what do you mean? How can we be in the future?"
Marty McFly: "Uh, Jennifer, um, I don't know how to tell you this, but I... you're in a time machine."
Jennifer: "And this is the year '2015'?"
Doc: "October 21st, 2015."

Marty McFly: "Doc... what if we don't succeed?"
Doc: "We MUST succeed."

"The time-traveling is just too dangerous. Better that I devote myself to study the other great mystery of the universe: women!"