Doc Brown: "Tell me, Future Boy, who's President of the United States in 1985?"
Marty: "Ronald Reagan."
Doc Brown: "Ronald Reagan? The actor? Ha! Then who's Vice President, Jerry Lewis?"
Marty, the future isn't written. It can be changed... you know that. Anyone can make their future whatever they want it to be.FutureDoc Brown in Back to the Future, 3
Time traveling is just too dangerous. Better that I devote myself to study the other great mystery of the universe: Women!WomenDoc Brown in Back to the Future, 2
You future hasn't been written yet. No one's has. Your future is whatever you make it. So make it a good one, both of you!Doc Brown in Back to the Future, 3
There's that word again, "heavy". Why are things so heavy in the future? Is there a problem with the Earth's gravitational pull?Doc Brown in Back to the Future
Marty McFly: "Sounds pretty heavy."
Dr. Emmett Brown: "Weight has nothing to do with it."
Whoop! Almost forgot my luggage. Who knows if they've got cotton underwear in the future. I'm allergic to all synthetics.Doc Brown in Back to the Future
If you're gonna build a time machine into a car, why not do it with some style?Doc Brown in Back to the Future
I'm sure in 1985 plutonium is in every corner drug store, but in 1955, its a little hard to come by!Doc Brown in Back to the Future
No wonder your president has to be an actor. He's gotta look good on television.Doc Brown in Back to the Future
Marty, you can't go losing your judgment every time someone calls you a name. That's exactly what causes you to get into that accident in the future.Doc Brown in Back to the Future, 3
Well, there are plenty worse places to be than the Old West. I could've ended up in the Dark Ages. They probably would have burned me at the stake as a heretic or something.Doc Brown in Back to the Future, 3
This reminds me of the time I attempted to reach the center of the earth. I'd been reading my favorite author, Jules Verne. I spent weeks preparing that expedition. I didn't even get this far. Course, I was only 12 at the time.Doc Brown in Back to the Future, 3
I didn't invent the time machine for financial gain! The intent here is to gain a clearer perception of humanity. Where we've been, where we're going, the pitfalls and the possibilities, the perils and the promise. Perhaps even an answer to that universal question, "Why?"Doc Brown in Back to the Future, 2
It's gonna be really hard waiting 30 years before I can talk to you about everything that's happened in the past few days.Doc Brown in Back to the Future
It'll shoot the fleas off a dog's back at 500 yards, Tannen! And it's pointed straight at your head!Doc Brown in Back to the Future, 3
Dr. Emmett Brown: "You've got to come back with me!"
Marty McFly: "Where?"
Dr. Emmett Brown: "Back to the future!"
You're not thinking fourth dimensionally!Doc Brown in Back to the Future, 3
Marty: "Then where the hell are they?"
Doc Brown: "The appropriate question is, 'when' the hell are they?"
You're late! Do you have no concept of time?Doc Brown in Back to the Future
If my calculations are correct, when this baby hits 88 miles per hour, you're gonna see some serious shit.Doc Brown in Back to the Future
Marty: "Within two hours?"
Doc Brown: "The justice system works swiftly in the future now that they've abolished all lawyers."
Too bad the post office isn't as efficient as the weather service.Doc Brown in Back to the Future, 2
It works! I finally invent something that works!Doc Brown in Back to the Future
Please, Marty, no one should know too much about their own destiny.Doc Brown in Back to the Future, 2
Marty: "Hey, Doc, we better back up. We don't have enough road to get up to 88."
Doc Brown: "Roads? Where we're going, we don't need roads."