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This is what Angier says to Borden when the latter asks him "What do you know about sacrifice?":
"It takes courage to walk into the machine... Not knowing if I'd be the Prestige or the man in the box."
My interpretation is that the machine makes a clone and his consciousness ends up in one and he doesn't know which one. This means some days he dies. Can somebody clear this up for me? Because there is something wrong with this explanation: The clones in The Prestige are sentient.
- So how does that work? Which clone is real Angier? Is his consciousness split among the various clones and he feels both dying and being the Prestige?