" I figure the universe is basically like a machine. I don't know who made it, if it was the Fates or the gods or capital-G God or whatever. But it chugs along the way it's supposed to most of the time. Sure, little pieces break and stuff goes haywire once in a while, but mostly... things happen for a reason. Like you and me meeting "

― Rick Riordan , The House of Hades (The Heroes of Olympus, #4)