Exodus 8:15
And Pharaoh seeth that there hath been a respite, and he hath hardened his heart, and hath not hearkened unto them, as Jehovah hath spoken.
Exodus 7:4
and Pharaoh doth not hearken, and I have put My hand on Egypt, and have brought out My hosts, My people, the sons of Israel, from the land of Egypt by great judgments;
Ecclesiastes 8:11
Because sentence hath not been done on an evil work speedily, therefore the heart of the sons of man is full within them to do evil.
Exodus 4:21
And Jehovah saith unto Moses, 'In thy going to turn back to Egypt, see -- all the wonders which I have put in thy hand -- that thou hast done them before Pharaoh, and I -- I strengthen his heart, and he doth not send the people away;
Exodus 7:13-14
and the heart of Pharaoh is strong, and he hath not hearkened unto them, as Jehovah hath spoken.
Exodus 14:5
And it is declared to the king of Egypt that the people hath fled, and the heart of Pharaoh and of his servants is turned against the people, and they say, 'What is this we have done? that we have sent Israel away from our service.'
Proverbs 29:1
A man often reproved, hardening the neck, Is suddenly broken, and there is no healing.
Isaiah 26:10
The wicked findeth favour, He hath not learned righteousness, In a land of straightforwardness he dealeth perversely, And seeth not the excellency of Jehovah.
Jeremiah 34:7-11
and the forces of the king of Babylon are fighting against Jerusalem, and against all the cities of Judah that are left -- against Lachish, and against Azekah, for these have been left among the cities of Judah, cities of fortresses.
Hosea 6:4
What do I do to thee, O Ephraim? What do I do to thee, O Judah? Your goodness is as a cloud of the morning, And as dew rising early -- going.
Zechariah 7:11-12
And they refuse to attend, And they give a refractory shoulder, And their ears have made heavy against hearing.
Hebrews 3:8
ye may not harden your hearts, as in the provocation, in the day of the temptation in the wilderness,
Hebrews 3:15
in its being said, 'To-day, if His voice ye may hear, ye may not harden your hearts, as in the provocation,'
Revelation 16:9
and men were scorched with great heat, and they did speak evil of the name of God, who hath authority over these plagues, and they did not reform -- to give to Him glory.