Romans 9:17

For the scripture says to Pharaoh: For this very purpose have I raised you up, that I may show in you my power, and that my name may be published in all the earth.

Romans 9:22-23

What, then, if God, intending to show his wrath, and to make his power known, yet, in much long-suffering bore with the vessels of wrath fitted for destruction:

Romans 11:8

as it is written: God has given them a spirit of stupor, eyes with which they can not see, and ears with which they can not hear.

Revelation 19:1-6

After these things, I heard the great voice of a vast multitude in heaven, saying: Alleluia; Salvation and glory and honor and power to our God:

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 is written: God has given them a spirit of stupor, eyes with which they can not see, and ears with which they can not hear.