Exodus 10:20

But the Lord made Pharaoh's heart hard, and he did not let the children of Israel go.

Exodus 4:21

And the Lord said to Moses, When you go back to Egypt, see that you do before Pharaoh all the wonders which I have given you power to do: but I will make his heart hard and he will not let the people go.

Exodus 11:10

All these wonders Moses and Aaron did before Pharaoh: but the Lord made Pharaoh's heart hard, and he did not let the children of Israel go out of his land.

Exodus 7:13-14

But Pharaoh's heart was made hard, and he did not give ear to them, as the Lord had said.

Exodus 9:12

And the Lord made Pharaoh's heart hard, and he would not give ear to them, as the Lord had said.

Deuteronomy 2:30

But Sihon, king of Heshbon, would not let us go through; for the Lord your God made his spirit hard and his heart strong, so that he might give him up into your hands as at this day.

Isaiah 6:9-10

And he said, Go, and say to this people, You will go on hearing, but learning nothing; you will go on seeing, but without getting wiser.

John 12:39-40

For this reason they were unable to have belief, because Isaiah said again,

Romans 9:18

So then, at his pleasure he has mercy on a man, and at his pleasure he makes the heart hard.

2 Thessalonians 2:11-12

And for this cause, God will give them up to the power of deceit and they will put their faith in what is false:

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