Exodus 10:1 And the LORD said unto Moses, Go in unto Pharaoh: for
I have hardened his heart, and the heart of his servants,
that I might shew these my signs before him:
Exodus 10:20 But the LORD hardened Pharaoh's heart, so that he would not let the children of Israel go.
Exodus 4:21 And the LORD said unto Moses, When thou goest to return into Egypt, see that thou do all those
wonders before Pharaoh, which I have put in thine hand: but
I will harden his heart, that he shall not let the people go.
Exodus 14:4 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.
Exodus 14:8 And the LORD hardened the heart of Pharaoh king of Egypt, and he pursued after the children of Israel: and the children of Israel went out
with an high hand.
Revelation 9:20 And the rest of the men which were not killed by these plagues
yet repented not of the works of their hands, that they should not
worship devils,
and idols of gold, and silver, and brass, and stone, and of wood: which neither can see, nor hear, nor walk:
Revelation 16:10-
11 And the fifth angel poured out his vial
upon the seat of the beast; and his kingdom was
full of darkness; and
they gnawed their tongues for pain, ... And
blasphemed the God of heaven
because of their pains and their sores,
and repented not of their deeds.