Exodus 14:3-5

Complete Jewish Bible

³ Then Pharaoh will say that the people of Isra’el are wandering aimlessly in the countryside, the desert has closed in on them. ⁴ I will make Pharaoh so hardhearted that he will pursue them; thus I will win glory for myself at the expense of Pharaoh and all his army, and the Egyptians will realize at last that I am Adonai.” The people did as ordered.

⁵ When the king of Egypt was told that the people had fled, Pharaoh and his servants had a change of heart toward the people. They said, “What have we done, letting Isra’el stop being our slaves?”