- John Richardson: One would have thought that she would have realised by now.
- John Drake: Realised what?
- John Richardson: That when people enter Colony Three, they - cease to exist.
- John Drake: There's nothing we can do about the girl, I suppose.
- Admiral: Of course not - we've never even heard of her.
- John Drake: As Richardson said; she no longer exists.
- Janet Wells: We're not back in England, are we?
- John Richardson: Geography is a matter of physical illusion; lines on a map, words on a signpost. It's this that gives a place it's identity. After all, you are where you recognise yourself to be. Mr. Donovan says that all countries are countries of the mind.
- John Richardson: You realise that none of the residents can leave the village - ever.
- John Drake: Of course, it's, uh, security.