And I will harden Pharaoh's heart, and multiply My signs and My wonders in the land of Egypt.
Exodus 7:3
Surrounding context
7:2 You shall speak all that I command you. And Aaron your brother shall tell Pharaoh to send the children of Israel out of his land.
7:3 And I will harden Pharaoh's heart, and multiply My signs and My wonders in the land of Egypt.
7:4 But Pharaoh will not heed you, so that I may lay My hand on Egypt and bring My armies and My people, the children of Israel, out of the land of Egypt by great judgments.