Jack Burton: Well, ya see, I'm not saying that I've been everywhere and I've done everything, but I do know it's a pretty amazing planet we live on here, and a man would have to be some kind of FOOL to think we're alone in THIS universe.
Jack Burton: [pointing to Chinese writing on elevator] What does that say?
Wang Chi: [speaks Chinese] Hell of Boiling Oil.
Jack Burton: You're kidding.
Wang Chi: Yeah, I am. It says Keep Out.