Then the Lord said to Moses, “Go to Pharaoh, for I have hardened his heart and the heart of his servants, that I might show these signs of Mine before him,
The Lord said to Moses, “When you go to return into Egypt, see that you do all those wonders before Pharaoh, which I have put in your hand, but I will harden his heart, so that he shall not let the people go.
Nevertheless, Pharaoh will not listen to you, so that I may lay My hand upon Egypt and bring forth My armies and My people, the Israelites, out of the land of Egypt by great judgments.
“He has blinded their eyes and hardened their hearts, lest they should see with their eyes and perceive with their hearts and turn, and I would heal them.”
For the Scripture says to Pharaoh, “For this very purpose I have raised you up, that I may show My power in you, and that My name may be proclaimed in all the earth.”
because the Lord hardened their hearts to engage Israel in battle. They destroyed them without mercy, to put them to death, as the Lord had commanded Moses.