Exodus 9:12
But the LORD hardened Pharaoh’s heart, and he would not listen to them, just as the LORD had said to Moses.

Exodus 10:1
Then the LORD said to Moses, “Go to Pharaoh, for I have hardened his heart and the hearts of his officials, that I may perform these miraculous signs of Mine among them,

Exodus 4:21
The LORD instructed Moses, “When you go back to Egypt, see that you perform before Pharaoh all the wonders that I have put within your power. But I will harden his heart so that he will not let the people go.

Exodus 7:13
Still, Pharaoh’s heart was hardened, and he would not listen to them, just as the LORD had said.

Exodus 7:22
But the magicians of Egypt did the same things by their magic arts. So Pharaoh’s heart was hardened, and he would not listen to Moses and Aaron, just as the LORD had said.

Exodus 9:34-35
When Pharaoh saw that the rain and hail and thunder had ceased, he sinned again and hardened his heart—he and his officials. / So Pharaoh’s heart was hardened, and he would not let the Israelites go, just as the LORD had said through Moses.

Exodus 11:10
Moses and Aaron did all these wonders before Pharaoh, but the LORD hardened Pharaoh’s heart so that he would not let the Israelites go out of his land.

Exodus 14:4
And I will harden Pharaoh’s heart so that he will pursue them. But I will gain honor by means of Pharaoh and all his army, and the Egyptians will know that I am the LORD.” So this is what the Israelites did.

Exodus 14:17
And I will harden the hearts of the Egyptians so that they will go in after them. Then I will gain honor by means of Pharaoh and all his army and chariots and horsemen.

Deuteronomy 2:30
But Sihon king of Heshbon would not let us pass through, for the LORD your God had made his spirit stubborn and his heart obstinate, that He might deliver him into your hand, as is the case this day.

Joshua 11:20
For it was of the LORD to harden their hearts to engage Israel in battle, so that they would be set apart for destruction and would receive no mercy, being annihilated as the LORD had commanded Moses.

1 Samuel 6:6
Why harden your hearts as the Egyptians and Pharaoh hardened theirs? When He afflicted them, did they not send the people out so they could go on their way?

Isaiah 6:9-10
And He replied: “Go and tell this people, ‘Be ever hearing, but never understanding; be ever seeing, but never perceiving.’ / Make the hearts of this people calloused; deafen their ears and close their eyes. Otherwise they might see with their eyes, hear with their ears, understand with their hearts, and turn and be healed.”

Jeremiah 5:3
O LORD, do not Your eyes look for truth? You struck them, but they felt no pain. You finished them off, but they refused to accept discipline. They have made their faces harder than stone and refused to repent.

Ezekiel 3:7
But the house of Israel will be unwilling to listen to you, since they are unwilling to listen to Me. For the whole house of Israel is hard-headed and hard-hearted.