Exodus 8:15
But when Pharaoh saw that there was a respite, he hardened his heart, and did not listen to them, as the LORD had spoken.
Exodus 7:4
But Pharaoh will not listen to you, and I will lay my hand on Egypt, and bring forth my armies, my people the children of Israel, out of the land of Egypt by great judgments.
Ecclesiastes 8:11
Because sentence against an evil work is not executed speedily, therefore the heart of the sons of men is fully set in them to do evil.
Exodus 4:21
The LORD said to Moses, "When you go back into Egypt, see that you do before Pharaoh all the wonders which I have put in your hand, but I will harden his heart and he will not let the people go.
Exodus 7:13-14
Pharaoh's heart was hardened, and he did not listen to them; as the LORD had spoken.
Exodus 14:5
It was told the king of Egypt that the people had fled; and the heart of Pharaoh and of his servants was changed towards the people, and they said, "What is this we have done, that we have let Israel go from serving us?"
Proverbs 29:1
He who is often rebuked and stiffens his neck will be destroyed suddenly, with no remedy.
Isaiah 26:10
Let favor be shown to the wicked, yet he will not learn righteousness. In the land of uprightness he will deal wrongfully, and will not see the LORD's majesty.
Jeremiah 34:7-11
when the king of Babylon's army was fighting against Jerusalem, and against all the cities of Judah that were left, against Lachish and against Azekah; for these alone remained of the cities of Judah as fortified cities.
Hosea 6:4
"Ephraim, what shall I do to you? Judah, what shall I do to you? For your love is like a morning cloud, and like the dew that disappears early.
Zechariah 7:11-12
But they refused to listen, and turned their backs, and stopped their ears, that they might not hear.
Hebrews 3:8
do not harden your hearts, as in the provocation, like as in the day of the trial in the wilderness,
Hebrews 3:15
while it is said, "Today if you will hear his voice, do not harden your hearts, as in the rebellion."
Revelation 16:9
People were scorched with great heat, and they blasphemed the name of God who has the power over these plagues. They did not repent and give him glory.