  In his comparison between time and eternity, Philip argues that both have duration and as a result are contained in the same genus. But time differs significantly from eternity in a number of important respects.  First, time has a beginning and an end while eternity does not.  Secondly, time by nature has succession and thus, motion, while eternity does not; it is entirely immobile and immutable. In fact, Philip argues that eternity and the divine essence are the same in reality although conceptually distinct. Time of course for Philip is something created and so cannot be identified with God’s essence, which is wholly uncreated. Finally although both time and eternity involve the idea of “now,” they do so in different respects. The “now” involves the past and the future, while the “now” of time is defined by or comes about in virtue of the past and the future.