So Moses and Aaron did all these wonders before Pharaoh, and the Lord hardened Pharaoh’s heart, and he would not let the Israelites go out of his land.
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.
O Lord, why have You made us to err from Your ways and hardened our heart from fearing You? Return for Your servants’ sake, the tribes of Your inheritance.
“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.”
But Sihon, king of Heshbon, would not let us pass by him, for the Lord your God hardened his spirit and made his heart obstinate, so that He might deliver him into your hand as he is to this day.
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.
Why then do you harden your hearts, as the Egyptians and Pharaoh hardened their hearts? When He dealt severely with them, did they not let the people go, and they departed?