While in the popular mind, eternity often simply means existing for a limitless amount of time, many have used it to refer to a timeless existence altogether outside of time. There're a number of arguments for eternity, by which proponents of the concept, principally Aristotle, purported to prove that matter, motion, and time must've existed eternally. The idea of Eternity Metaphysics of eternity might be summarized as the question, if and how could anything survive time? Ever since the days o… (More on Eternity)