Romans 9:17

for 'tis said in scripture to Pharaoh, "even for this same purpose have I raised thee up, that I might shew my power in thee, and that my name might be declared throughout all the earth."

Romans 9:22-23

if the divine Being has patiently bore with those objects of his displeasure, that had been working out their own destruction, why may he not reveal himself to make them feel his vindictive power,

Romans 11:8

as it is written, "God hath given them up to a state of insensibility, so that their eyes could not see, and their ears could not hear."

Revelation 19:1-6

And after these things I heard a great voice of a numerous multitude in heaven, saying, "alleluia; salvation, glory, honour, and power unto the Lord 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 hath given them up to a state of insensibility, so that their eyes could not see, and their ears could not hear."