Martin: Well, if you're so sure you're indispensable, maybe you should run for president. Oh, wait. You did. Five times.
Frasier: They wouldn't love you so much if it weren't for my ideas.
Martin: Right, because you need a Ph. D. to think about repainting the lobby. Oh, wait. You don't.
Frasier: Would you stop doing that?
Martin: You're right. It's not an effective way to argue. Oh, wait. It is.