Sir Didymus: You forget my sacred vow, my lady. I cannot let you pass.
Sarah: But Ludo is your brother.
Sir Didymus: I must defend my oath to the death.
Sarah: Let's handle this logically. What exactly have you sworn?
Sir Didymus: I have sworn with my lifeblood no one shall pass without my permission.
Sarah: Well... may we have your permission?
Sir Didymus: Well, I, uh... uh... yes?