Quote from Frasier in The Crane Mutiny
Frasier: Give me a scotch, Woody. Woody: Sure thing, Dr. Crane. Hey, by the way, when you go to the restroom, I want you to notice that the [speaks Chinese] have been shined. Frasier: I'm hardly concerned about doorknobs at the moment. Woody: You understood me? Frasier: Yes. It was only a matter of time.