Exodus 8:15
But when Pharaoh saw that there was respit, he hardened his heart, and hearkened not to them, as the LORD had said.
Exodus 7:4
But Pharaoh shall not hearken to you, that I may lay my hand upon 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
And the LORD said to Moses, When thou goest to return into Egypt, see that thou perform all those wonders before Pharaoh which I have put in thy 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 to them; as the LORD had said.
Exodus 14:5
And it was told to 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 hardeneth his neck, shall suddenly be destroyed, and that without 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 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 to thee? O Judah, what shall I do to thee? for your goodness is as the morning cloud, and as the early dew it goeth away.
Zechariah 7:11-12
But they refused to hearken, and withdrew the shoulder, and stopped their ears, that they should not hear.
Hebrews 3:8
Harden not your hearts, as in the provocation, in the day of temptation in the wilderness:
Hebrews 3:15
While it is said, To-day if ye 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 hath power over these plagues: and they repented not to give him glory.