Exodus 8:15
But when Pharaoh saw that there was a respite, he hardened his heart, and hearkened not unto them; as the LORD had said.
Exodus 7:4
But Pharaoh shall not hearken unto you, that I may lay my hand upon Egypt, and bring forth my armies, and 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
And the LORD said unto Moses, When you go to return into Egypt, see that you do all those wonders before Pharaoh, whom I have put in your hand: but I will harden his heart, that he shall not let the people go.
Exodus 7:13-14
And he hardened Pharaoh's heart, that he hearkened not unto them; as the LORD had said.
Exodus 14:5
And it was told the king of Egypt that the people fled: and the heart of Pharaoh and of his servants was turned against the people, and they said, Why have we done this, that we have let Israel go from serving us?
Proverbs 29:1
He, that being often reproved hardens his neck, shall suddenly be destroyed, and that without remedy.
Isaiah 26:10
Let favor be showed to the wicked, yet will he not learn righteousness: in the land of uprightness will he deal unjustly, and will not behold the majesty of the LORD.
Jeremiah 34:7-11
When the king of Babylon's army fought against Jerusalem, and against all the cities of Judah that were left, against Lachish, and against Azekah: for these fortified cities remained of the cities of Judah.
Hosea 6:4
O Ephraim, what shall I do unto you? O Judah, what shall I do unto you? for your goodness is as a morning cloud, and as the early dew it goes away.
Zechariah 7:11-12
But they refused to hearken, and shrugged the shoulder, and stopped their ears, that they should not hear.
Hebrews 3:8
Harden not your hearts, as in the rebellion, in the day of testing in the wilderness:
Hebrews 3:15
While it is said, Today if you will hear his voice, harden not your hearts, as in the provocation.
Revelation 16:9
And men were scorched with great heat, and blasphemed the name of God, who has power over these plagues: and they repented not to give him glory.