Back to the Future quotes

Somehow, we've gotta sneak this back to my laboratory. We've gotta get you home!

Dr. Emmett Brown

Lorraine Baines: Marty, will we ever see you again?
Marty McFly: I guarantee it.

Lorraine Baines, Marty McFly

Since when can weathermen predict the weather, let alone the future?

Marty McFly