Exodus 11:10
And Moses and Aaron did all these wonders before Pharaoh: and the LORD hardened Pharaoh's heart, so that he would not let the children of Israel go out of his land.
Exodus 4:21
And the LORD said unto Moses, When you go to return into Egypt, see that you do all those wonders before Pharaoh, whom I have put in your hand: but I will harden his heart, that he shall not let the people go.
Exodus 10:20
But the LORD hardened Pharaoh's heart, so that he would not let the children of Israel go.
Exodus 10:27
But the LORD hardened Pharaoh's heart, and he would not let them go.
Exodus 7:13-14
And he hardened Pharaoh's heart, that he hearkened not unto them; as the LORD had said.
Deuteronomy 2:30
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, that he might deliver him into your hand, as it is this day.
1 Samuel 6:6
Why then do you harden your hearts, as the Egyptians and Pharaoh hardened their hearts? when he had worked wonderfully among them, did they not let the people go, and they departed?
Job 9:4
He is wise in heart, and mighty in strength: who has hardened himself against him, and has prospered?
Romans 2:4-5
Or despise you the riches of his goodness and forbearance and longsuffering; not knowing that the goodness of God leads you to repentance?
Romans 9:22
What if God, willing to show his wrath, and to make his power known, endured with much longsuffering the vessels of wrath fitted to destruction: