Cooper: [to young Murph] Tell him Murph. Make him stay. Make... Make him stay Murph. Make him stay Murph! Dont let me leave, Murph! Dont, dont let me leave Murph! NO, NO, NO, NO!Murph: It was you. You were my ghost.TARS: Cooper... Cooper... Come in, Cooper.Cooper: TARS?TARS: Roger that.Cooper: You survived!TARS: Somewhere, in their fifth dimension, they... saved us.Cooper: Who the hell is they? Why would they want to help us, huh?TARS: I dont know, but they constructed this three-dimensional space inside of their five-dimensional reality to allow you to understand it.Cooper: Well, it aint working.TARS: Yes it is! Youve seen that time is represented here as a *physical* dimension! Youve worked out that you *can* exert a force across space-time!Cooper: Gravity. To send a message.TARS: Affirmative.Cooper: Gravity can cross the dimensions, including time.

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