Quote from Cliff in Coach Returns to Action
Sam: Oh, I don't know what I'm doing back there. Does anyone know anything about plumbing?
Cliff: Well, the Romans had an elaborate system of aqueducts. They were sort of the forerunners of...
Sam: Cliff. Cliff. I need somebody to help me fix the plumbing.
Cliff: Oh, hey, sorry, Sammy. Strictly theory.