Jerry Morgan: Listen, if this keeps up you'll get us kicked out of Switzerland.

- Danny Kaye (as Jerry Morgan / Papa Morgan) in Knock on Wood (1954)

Jerry Morgan: You know, I don't think I'm crazy. I think I'm a little bit peculiar, but that's not crazy.

- Danny Kaye (as Jerry Morgan / Papa Morgan) in Knock on Wood (1954)

Dr. Ilse Nordstrom: Tell me, Jerry, why are you so unhappy?
Jerry Morgan: [regressed to when he was five-years-old] Because my mummy and daddy are always fighting and yelling and screaming at each other and throwing things and everything.
Dr. Ilse Nordstrom: And why do they do that?
Jerry Morgan: They have to - they're married.

- Danny Kaye (as Jerry Morgan / Papa Morgan) in Knock on Wood (1954)