But doppelgangers, by messing with our heads and our illusions of sovereignty, can help teach us this lesson: that we are not as separate from one another as we might think. Not as individuals, and perhaps not even as groups of individuals who have been born into various kinds of seemingly eternal fratricidal duels.

XREF: Relates to themes of identity and relationality, possibly echoing Buddhist concepts of non-self or Levinas on the face of the Other.

Naomi Klein, Doppelganger, loc. 1067