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 7:3
But I will harden Pharaoh's heart, and though I will multiply My signs and wonders in the land of Egypt,

Exodus 7:4
Pharaoh will not listen to you. Then I will lay My hand on Egypt, and by mighty acts of judgment I will bring the divisions of My people the Israelites out of the land of Egypt.

Exodus 7:12
Each one threw down his staff, and it became a serpent. But Aaron's staff swallowed up the other staffs.

Exodus 7:14
Then the LORD said to Moses, "Pharaoh's heart is stubborn; he refuses to let the people go.

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 8:15
When Pharaoh saw there was relief, however, he hardened his heart and would not listen to Moses and Aaron, just as the LORD had said.

Exodus 8:19
"This is the finger of God," the magicians said to Pharaoh. But Pharaoh's heart was hardened, and he would not listen to them, just as the LORD had said.

Exodus 9:7
So Pharaoh sent officials, who saw that none of the livestock of the Israelites had died. But Pharaoh's heart was hardened, and he would not let the people go.

Exodus 9:12
But the LORD hardened Pharaoh's heart, and he would not listen to them, just as the LORD had told 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 10:20
But the LORD hardened Pharaoh's heart, and he would not let the Israelites go.

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 on their way as they departed?