The Master: Devious to the last, Doctor.
The Doctor: Technical hitch?
The Master: Your substitution of a temporal limiter for a time-lapse compressor.
The Doctor: Ah. Well, that's the way it goes if you steal other people's property.
Tegan Jovanka: Ladies and gentlemen, we do apologize for the delay. Your flight is now ready for boarding. Would you care to proceed to your aircraft immediately?
The Doctor: Well, it's Heathrow Airport. We appear to be on schedule, for a change.
Nyssa: Doctor, you haven't got the quantum accelerator back from the Master.
The Doctor: And he hasn't got the temporal limiter. The idea, you see, is to keep him waiting until we're ready to take off.
Nyssa: Why do we need Concord? Can't we all go back in the TARDIS?
The Doctor: No, I need the TARDIS to deal with the Master.