There, on Mount Horeb, God appeared to Moses as a burning bush, revealed to Moses his name YHWH (probably pronounced Yahweh) and commanded him to return to Egypt and bring his chosen people (Israel) out of bondage and into the Promised Land (Canaan). During the journey, God tried to kill Moses, but Zipporah saved his life. Moses returned to carry out God's command, but God caused the Pharaoh to refuse, and only after God had subjected Egypt to ten plagues did the Pharaoh relent. Moses led the Israelites to the border of Egypt, but there God hardened the Pharaoh's heart once more, so that he could destroy the Pharaoh and his army at the Red Sea Crossing as a sign of his power to Israel and the nations.