Exodus 8:15
But when Pharaoh saw that there was respite, he hardened his heart, and hearkened not unto them, as Jehovah had spoken.
Exodus 7:4
But Pharaoh will not hearken unto you, and I will lay my hand upon Egypt, and bring forth my hosts, 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 Jehovah said unto Moses, When thou goest back into Egypt, see that thou do before Pharaoh all the wonders which I have put in thy hand: but I will harden his heart and he will not let the people go.
Exodus 7:13-14
And Pharaoh's heart was hardened, and he hearkened not unto them; as Jehovah had spoken.
Exodus 14:5
And it was told the king of Egypt that the people were 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 that being often reproved hardeneth 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 wrongfully, and will not behold the majesty of Jehovah.
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
O Ephraim, what shall I do unto thee? O Judah, what shall I do unto thee? for your goodness is as a morning cloud, and as the dew that goeth early away.
Zechariah 7:11-12
But they refused to hearken, and pulled away the shoulder, and stopped their ears, that they might not hear.
Hebrews 3:8
Harden not your hearts, as in the provocation, Like as in the day of the trial in the wilderness,
Hebrews 3:15
while it is said, To-day if ye shall hear his voice, Harden not your hearts, as in the provocation.
Revelation 16:9
And men were scorched men with great heat: and they blasphemed the name of God who hath the power over these plagues; and they repented not to give him glory.