Back to the Future Part III (1990)
Doctor Emmett Brown: You're not thinking fourth dimensionally, Marty!
[Doc Brown and Marty are hijacking a train.] Dr. Emmett 'Doc' L. Brown: Reach! Engineer: Is this a holdup? Dr. Emmett 'Doc' L. Brown: It's a science experiment!
Marty McFly: Is there a back way out of here? Bartender: Sure. Marty McFly: Where is it? Bartender: Out the back.
Dr. Emmett 'Doc' L. Brown: The future is whatever you make it, so make it a good one.
Dr. Emmett 'Doc' L. Brown: Clara was one in a million. One in a billion. One in a googolplex