Exodus 10:1

And the LORD said to Moses, Go in to Pharaoh: for I have hardened his heart, and the heart of his servants; that I might show these my signs before him:

Exodus 4:21

And the LORD said to Moses, When thou goest to return into Egypt, see that thou perform all those wonders before Pharaoh which I have put in thy hand: but I will harden his heart, that he shall not let the people go.

Exodus 3:20

And I will stretch out my hand, and smite Egypt with all my wonders which I will do in the midst thereof: and after that he will let you go.

Exodus 7:4

But Pharaoh shall not hearken to you, that I may lay my hand upon Egypt, and bring forth my armies, my people the children of Israel, out of the land of Egypt, by great judgments.

Exodus 7:13-14

And he hardened Pharaoh's heart that he hearkened not to them; as the LORD had said.

Exodus 9:16

And in very deed for this cause have I raised thee up, to show in thee my power; and that my name may be declared throughout all the earth.

Exodus 9:27

And Pharaoh sent, and called for Moses and Aaron, and said to them, I have sinned this time: the LORD is righteous, and I and my people are wicked.

Exodus 9:34-35

And when Pharaoh saw that the rain and the hail and the thunders had ceased, he sinned yet more, and hardened his heart, he and his servants.

Exodus 14:17-18

And I, behold I, will harden the hearts of the Egyptians, and they shall follow them: and I will get me honor upon Pharaoh, and upon all his host, upon his chariots and upon his horsemen.

Exodus 15:14-15

The people shall hear, and be afraid: sorrow shall take hold on the inhabitants of Palestina.

Joshua 2:9-10

And she said to the men, I know that the LORD hath given you the land, and that your terror hath fallen upon us, and that all the inhabitants of the land faint because of you.

Joshua 4:23-24

For the LORD your God dried up the waters of Jordan from before you, until ye had passed over, as the LORD your God did to the Red sea, which he dried up from before us, until we had gone over:

1 Samuel 4:8

Woe to us! Who shall deliver us out of the hand of these mighty Gods? these are the Gods that smote the Egyptians with all the plagues in the wilderness.

Psalm 7:11

God judgeth the righteous, and God is angry with the wicked every day.

Romans 9:17

For the scripture saith to Pharaoh, Even for this same purpose have I raised thee up, that I might show my power in thee, and that my name might be declared throughout all the earth.

Treasury of Scripture Knowledge

Summary

And the LORD said unto Moses, Go in unto Pharaoh: for I have hardened his heart, and the heart of his servants, that I might shew these my signs before him:

General references

Bible References

I have hardened

Exodus 4:21
And the LORD said to Moses, When thou goest to return into Egypt, see that thou perform all those wonders before Pharaoh which I have put in thy hand: but I will harden his heart, that he shall not let the people go.
Exodus 7:13
And he hardened Pharaoh's heart that he hearkened not to them; as the LORD had said.
Exodus 9:27
And Pharaoh sent, and called for Moses and Aaron, and said to them, I have sinned this time: the LORD is righteous, and I and my people are wicked.
Psalm 7:11
God judgeth the righteous, and God is angry with the wicked every day.

That i

Exodus 3:20
And I will stretch out my hand, and smite Egypt with all my wonders which I will do in the midst thereof: and after that he will let you go.
Exodus 7:4
But Pharaoh shall not hearken to you, that I may lay my hand upon Egypt, and bring forth my armies, my people the children of Israel, out of the land of Egypt, by great judgments.
Exodus 9:16
And in very deed for this cause have I raised thee up, to show in thee my power; and that my name may be declared throughout all the earth.
Exodus 14:17
And I, behold I, will harden the hearts of the Egyptians, and they shall follow them: and I will get me honor upon Pharaoh, and upon all his host, upon his chariots and upon his horsemen.
Exodus 15:14
The people shall hear, and be afraid: sorrow shall take hold on the inhabitants of Palestina.
Joshua 2:9
And she said to the men, I know that the LORD hath given you the land, and that your terror hath fallen upon us, and that all the inhabitants of the land faint because of you.
Joshua 4:23
For the LORD your God dried up the waters of Jordan from before you, until ye had passed over, as the LORD your God did to the Red sea, which he dried up from before us, until we had gone over:
1 Samuel 4:8
Woe to us! Who shall deliver us out of the hand of these mighty Gods? these are the Gods that smote the Egyptians with all the plagues in the wilderness.
Romans 9:17
For the scripture saith to Pharaoh, Even for this same purpose have I raised thee up, that I might show my power in thee, and that my name might be declared throughout all the earth.

General references

Exodus 7:13
And he hardened Pharaoh's heart that he hearkened not to them; as the LORD had said.
Exodus 10:27
But the LORD hardened Pharaoh's heart, and he would not let them go.
Joel 1:3
Tell ye your children of it, and let your children tell their children, and their children another generation.