The Book of Exodus is about how a newborn man (Moses) or nation (Israel) is saved from/through water (from a hard lesson in being a stranger like in Hebrews 11:13-16) and comes to stand before God at Sinai (Burning Bush/Ten Commandments). The Exodus, returning from the Exile (and I bet this book was a comfort to the exiles, too), the life cycle of plants, sunrises, naps, etc., are all signposts to the Resurrection. Like Moses, the people of Israel and Christians figuratively