Exodus 9:12

And the LORD hardened the heart of Pharaoh, and he did hearken unto them as the LORD had spoken unto Moses.

Exodus 4:21

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

Exodus 7:13-14

And Pharaoh's heart became hard, that he hearkened not unto them as the LORD had said.

Psalm 81:11-12

But my people did not hearken to my voice, and Israel did not love me.

Revelation 16:10-11

And the fifth angel poured out his vial upon the throne of the beast; and its kingdom was filled with darkness; and they gnawed their tongues for pain,

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