A Destiny 2 lore fan has uncovered a surprisingly direct set of references to a particular real-world philosopher from the 17th century, and it seems that his works may be the key to the truth behind the franchise's entire cosmology. It's no secret that the majority of Bungie's games feature a set of deep, allegorical stories that are inexplicably relevant to the games' surface-level narratives, but Destiny is the first time these allegories have truly come to a head.