20 But the LORD hardened Pharaoh's heart, and he did not let the people of Israel go.
Exodus 10
27 But the LORD hardened Pharaoh's heart, and he would not let them go.
Exodus 11
10 Moses and Aaron did all these wonders before Pharaoh, and the LORD hardened Pharaoh's heart, and he did not let the people of Israel go out of his land.
Exodus 4
21 And the LORD said to Moses, “When you go back to Egypt, see that you do before Pharaoh all the miracles that I have put in your power. But I will harden his heart, so that he will not let the people go.
Exodus 9
11 And the magicians could not stand before Moses because of the boils, for the boils came upon the magicians and upon all the Egyptians.
Joshua 11
20 For it was the LORD's doing to harden their hearts that they should come against Israel in battle, in order that they should be devoted to destruction and should receive no mercy but be destroyed, just as the LORD commanded Moses.
Romans 9
18 So then he has mercy on whomever he wills, and he hardens whomever he wills.