Exodus 8:15
But when Pharaoh saw that there was peace for a time, he made his heart hard and did not give ear to them, as the Lord had said.
Exodus 7:4
But Pharaoh will not give ear to you, and I will put my hand on Egypt, and take my armies, my people, the children of Israel, out of Egypt, after great punishments.
Ecclesiastes 8:11
Because punishment for an evil work comes not quickly, the minds of the sons of men are fully given to doing evil.
Exodus 4:21
And the Lord said to Moses, When you go back to Egypt, see that you do before Pharaoh all the wonders which I have given you power to do: but I will make his heart hard and he will not let the people go.
Exodus 7:13-14
But Pharaoh's heart was made hard, and he did not give ear to them, as the Lord had said.
Exodus 14:5
And word came to Pharaoh of the flight of the people: and the feeling of Pharaoh and of his servants about the people was changed, and they said, Why have we let Israel go, so that they will do no more work for us?
Proverbs 29:1
A man hating sharp words and making his heart hard, will suddenly be broken and will not be made well again.
Isaiah 26:10
Even if you are kind to the evil-doer, he will not go after righteousness; even in the land of the upright he will still go on in his wrongdoing, and will not see the glory of the Lord.
Jeremiah 34:7-11
When the army of the king of Babylon was fighting against Jerusalem and against all the towns of Judah which had not been taken, against Lachish and against Azekah; for these were the last of the walled towns of Judah.
Hosea 6:4
O Ephraim, what am I to do to you? O Judah, what am I to do to you? For your love is like a morning cloud, and like the dew which goes early away.
Zechariah 7:11-12
But they would not give attention, turning their backs and stopping their ears from hearing;
Hebrews 3:8
Be not hard of heart, as when you made me angry, on the day of testing in the waste land,
Hebrews 3:15
As it is said, Today if you will let his voice come to your ears, be not hard of heart, as when you made him angry.
Revelation 16:9
And men were burned with great heat: and they said evil things against the name of the God who has authority over these punishments; and they were not turned from their evil ways to give him glory.