Exodus 7:3–5
3 But rI will harden Pharaoh’s heart, and though I smultiply my signs and wonders in the land of Egypt, 4 Pharaoh will not listen to you. Then I will lay my hand on Egypt and bring my hosts, my people the children of Israel, out of the land of Egypt by great acts of judgment. 5 The Egyptians tshall know that I am the Lord, when I stretch out my hand against Egypt and bring out the people of Israel from among them.”
Exodus 14:4
4 And vI will harden Pharaoh’s heart, and he will pursue them, and I will wget glory over Pharaoh and all his host, xand the Egyptians shall know that I am the Lord.” And they did so.