 When he is eighty years old, Moses is tending a herd of sheep in solitude on Mount Sinai when he sees a desert shrub that is burning but is not consumed.The God of Israel calls to Moses from the fire and reveals his name, Yahweh, and tells Moses that he is being sent to Pharaoh to bring the people of Israel out of Egypt.Yahweh tells Moses that if Pharaoh refuses to let the Hebrews go to say to Pharaoh "Thus says Yahweh