Studying doubles illuminates how humanity can avoid its destructive course. [causal]
Yet, the further along I have gone on this journey into a world of doubles, the more it led me back to where I began. The more I looked at doppelgangers and the messages they carry, both personally and politically, the more relevant that knowledge seemed to our prospects of becoming the kinds of people capable of getting off our treacherous path.
SEED: This frames the doppelganger study as practical moral philosophy — could seed an essay on how the double reveals political self-knowledge.
Naomi Klein, Doppelganger, loc. 1052