George McFly: You really think I ought to swear?Marty McFly: Yes, definitely. Goddamn it, George, swear.
Marty McFly: Calvin? Wh... Why do you keep calling me Calvin?Lorraine Baines: Well, that is your name, isn't it? Calvin Klein? It's written all over your underwear.
Okay. Time circuit's on. Flux capacitor, fluxing. Engine running. All right.
Last night, Darth Vader came down from Planet Vulcan and told me that if I didn't take Lorraine out, that he'd melt my brain.