Exodus 9:12

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

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 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.

Psalm 81:11-12

But my people would not hear my voice; and Israel would not obey me.

Revelation 16:10-11

And the fifth angel poured out his vial upon the seat of the beast, and his kingdom waxed dark, and they gnawed their tongues for sorrow,

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