Exodus 9:12

And Jehovah hardened the heart of Pharaoh, and he hearkened not unto them, as Jehovah had spoken unto Moses.

Exodus 4:21

And Jehovah said unto Moses, When thou goest back into Egypt, see that thou do before Pharaoh all the wonders which I have put in thy hand: but I will harden his heart and he will not let the people go.

Exodus 7:13-14

And Pharaoh's heart was hardened, and he hearkened not unto them; as Jehovah had spoken.

Psalm 81:11-12

But my people hearkened not to my voice; And Israel would none of me.

Revelation 16:10-11

And the fifth poured out his bowl upon the throne of the beast; and his kingdom was darkened; and they gnawed their tongues for pain,

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