Memories and remembering give us much of our identity. The closing scene in the movie, Saving Private Ryan,reveals something of his identity and character when the now elderly Ryan finds the Normandy grave of the captain who led the mission that saved him and says to wife, "Tell me I've lived a good life." Clearly he hoped that his life sufficiently appreciated the gift he had been given. His vivid memories of being rescued shaped who he was. But our modern society and our prosperity cultivate an amnesia that forgets all the gifts we have received, that forgets we did not make it on our own. Such forgetting gives us misshapened identities. That is why Moses gives a different motivation for Sabbath keeping when he addresses the Israelites about to enter the land of promise. At Sinai, sabbath rest was tied to God's rest following creation, but for Israelites a generation removed from Sinai and slavery in Egypt, sabbath rest is about remembering who they are and where they came from. It can be for us as well.