Romans 9:17

Moreover the scripture saith to Pharoah, For this very thing have I raised thee up, that I may shew my power in thee, and that my name may be declared through all the earth.

Romans 9:22-23

What if God, being willing to shew his wrath, and to make his power known, yet endured with much long-suffering the vessels of wrath fitted for destruction?

Romans 11:8

According as it is written, God hath given them a spirit of slumber, eyes that they should not see, and ears that they should not hear, unto this day.

Revelation 19:1-6

After this I heard a loud voice of a great multitude in heaven, saying, Hallelujah: The salvation, and the glory, and the 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
According as it is written, God hath given them a spirit of slumber, eyes that they should not see, and ears that they should not hear, unto this day.