Exodus 10:20

But the LORD hardened Pharaoh's heart, so that he would not let the children of Israel go.

Exodus 4:21

And the LORD said unto Moses, "When thou art come into Egypt again, see that thou do all the wonders before Pharaoh which I have put in thy hand: but I will harden his heart, so that he shall not let the people go.

Exodus 11:10

And Moses and Aaron did all these wonders before Pharaoh. But the LORD hardened Pharaoh's heart, so that he would not let the children of Israel go out of his land.

Exodus 7:13-14

And yet, for all that, Pharaoh's heart was hardened, so that he hearkened not unto them, even as the LORD had said.

Exodus 9:12

But the LORD hardened the heart of Pharaoh, that he hearkened not unto them, as the LORD had said unto Moses.

Deuteronomy 2:30

But Sihon, the king of Heshbon, would not let us pass by him; for the LORD thy God had hardened his spirit and made his heart tough because he would deliver him into thy hands as it is come to pass this day.

Isaiah 6:9-10

And so he said, "Go, and tell this people: 'Ye shall hear indeed, but ye shall not understand; ye shall plainly see, and not perceive.

John 12:39-40

Therefore could they not believe, because that Isaiah saith again,

Romans 9:18

So hath he mercy on whom he will. And whom he will, he maketh hard hearted.

2 Thessalonians 2:11-12

And therefore God shall send them strong delusion, that they should believe lies:

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