Brand: Maybe weve spent too long trying to figure all this out with theory.Cooper: Youre a scientist, Brand.Brand: So listen to me, when I say that love is not something we invented. Its observable, powerful. It has to mean something.Cooper: Love has meaning, yes. Social utility, social bonding, child rearing...Brand: We love people whove died. Wheres the social utility in that?Cooper: None.

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