Exodus 4:21 And the LORD said unto Moses, When thou goest to return into Egypt, see that thou do all those wonders before Pharaoh, which I have put in thine hand: but I will harden his heart, that he shall not let the people go.

Exodus 8:15 But when Pharaoh saw that there was respite, he hardened his heart, and hearkened not unto them; as the LORD had said.

Exodus 10:20 But the LORD hardened Pharaoh's heart, so that he would not let the children of Israel go.

Exodus 10:27 ¶But the LORD hardened Pharaoh's heart, and he would not let them go.

Romans 2:5 But after thy hardness and impenitent heart treasurest up unto thyself wrath against the day of wrath and revelation of the righteous judgment of God;

Zechariah 7:11 But they refused to hearken, and pulled away the shoulder, and stopped their ears, that they should not hear.

Zechariah 7:12 Yea, they made their hearts as an adamant stone, lest they should hear the law, and the words which the LORD of hosts hath sent in his spirit by the former prophets: therefore came a great wrath from the LORD of hosts.

Isaiah 63:17 ¶O LORD, why hast thou made us to err from thy ways, and hardened our heart from thy fear? Return for thy servants' sake, the tribes of thine inheritance.