Frasier: Niles, this is tearing me apart.
Niles: These women are inscrutable as sphinxes.
Frasier: Yes, they've got us into some most veiled, cloaked, cryptic messages. Can't they just give us one clear signal?
Beth: Well, I'm off to bed. Niles, are you coming?
Niles: Curse these infernal riddles.