Heard in Doctor Who "Mummy on the Orient Express." Brief background. The train is a recreation of the Orient Express, except it is a spaceship. The psychic paper referenced is a blank piece of paper. The reader sees what ever The Doctor needs them to see to explain his presence.
"The Doctor: I think we need to talk.
Captain Quell: This matter does not concern the passengers.
The Doctor: I’m not a passenger, I’m your worst nightmare. {shows him the psychic paper}
Captain Quell: A mystery shopper. Oh great.
The Doctor: Really? That’s your worst—? Okay, I’m a mystery shopper. I could do with an extra pillow and I’m very disappointed with your breakfast bar. And… all of the dying."
Equal rights for others does not mean fewer rights for you. It's not pie.
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