Exodus 4:21

21And the Lord said to Moses, “When you go back to Egypt, see that you do before Pharaoh all the amiracles that I have put in your power. But bI will harden his heart, so that he will not let the people go.

Exodus 7:13-14

13Still cPharaoh’s heart was hardened, and he would not listen to them, das the Lord had said.

The First Plague: Water Turned to Blood

14Then the Lord said to Moses, “Pharaoh’s heart is hardened; he refuses to let the people go.

Psalms 81:11-12

11 “But my people did not listen to my voice;
Israel ewould not submit to me.
12So I fgave them over to their gstubborn hearts,
to follow their own hcounsels.

Revelation of John 16:10-11

10The fifth angel poured out his bowl on ithe throne of the beast, and jits kingdom was plunged into darkness. People gnawed their tongues in anguish 11and cursed kthe God of heaven for their pain and lsores. mThey did not repent of their deeds.

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