Exodus 9:12

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

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 7:13-14

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

Psalm 81:11-12

But my people did not give ear to my voice; Israel would have nothing to do with me.

Revelation 16:10-11

And the fifth let what was in his vessel come out on the high seat of the beast; and his kingdom was made dark; and they were biting their tongues for pain.

Treasury of Scripture Knowledge did not add

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain