Exodus 14:1-6

Now the LORD spoke to Moses, saying, “Tell the sons of Israel to turn back and camp in front of Pi-hahiroth, between Migdol and the sea. You shall camp in front of Baal-zephon, opposite it, by the sea. For Pharaoh will say of the Israelites, ‘They are wandering aimlessly in the land; the wilderness has shut them in.’ I will harden (make stubborn, defiant) Pharaoh’s heart, so that he will pursue them; and I will be glorified and honored through Pharaoh and all his army, and the Egyptians shall know [without any doubt] and acknowledge that I am the LORD.” And they did so. When the king of Egypt was told that the people had fled, Pharaoh and his servants had a change of heart toward the people, and they said, “What is this that we have done? We have let Israel go from serving us!” So Pharaoh harnessed horses to his war-chariots [for battle] and took his army with him