Exodus 7:3 in the King James Version
And I will harden Pharaoh’s heart, and multiply my signs and my wonders in the land of Egypt.
Context
2 You shall speak all that I command you; and Aaron your brother shall speak to Pharaoh, that he let the children of Israel go out of his land.
3 I will harden Pharaoh’s heart, and multiply my signs and my wonders in the land of Egypt.
4 But Pharaoh will not listen to you, so I will lay my hand on Egypt, and bring out my armies, my people the children of Israel, out of the land of Egypt by great judgments.