Romans 9:17

For the Scripture says to Pharaoh, "For this very purpose did I raise you up, that I might show forth My power in you, and that my name might be published abroad in all the earth."

Romans 9:22-23

And what if God, willing to show forth His wrath and to make known His power, endured with much long-suffering vessels of wrath fitted for destruction;

Romans 11:8

as it has been written, "God gave them a spirit of stupor, eyes that they should not see, and ears that they should not hear, unto this day."

Revelation 19:1-6

After these things I heard as it were a great voice of a great multitude in Heaven, saying, "Hallelujah! the salvation, and the glory, and the power, are our God's;

Treasury of Scripture Knowledge

Summary

And I will harden Pharaoh's heart, that he shall follow after them; and I will be honoured upon Pharaoh, and upon all his host; that the Egyptians may know that I am the LORD. And they did so.

Harden

Bible References

Harden

Romans 11:8
as it has been written, "God gave them a spirit of stupor, eyes that they should not see, and ears that they should not hear, unto this day."