TSK · Exodus 7:13

Yahweh said to Moses, "When you go back into Egypt, see that you do before Pharaoh all the wonders which I have put in your hand, but I will harden his heart and he will not let the people go.

The magicians of Egypt did the same thing with their enchantments; and Pharaoh's heart was hardened, and he didn't listen to them; as Yahweh had spoken.

But when Pharaoh saw that there was a respite, he hardened his heart, and didn't listen to them, as Yahweh had spoken.

Pharaoh sent, and, behold, there was not so much as one of the livestock of the Israelites dead. But the heart of Pharaoh was stubborn, and he didn't let the people go.

Yahweh said to Moses, "Go in to Pharaoh, for I have hardened his heart, and the heart of his servants, that I may show these my signs in the midst of them,

But Yahweh hardened Pharaoh's heart, and he wouldn't let them go.

But Sihon king of Heshbon would not let us pass by him; for Yahweh your God hardened his spirit, and made his heart obstinate, that he might deliver him into your hand, as at this day.

He also rebelled against king Nebuchadnezzar, who had made him swear by God: but he stiffened his neck, and hardened his heart against turning to Yahweh, the God of Israel.

Yes, they made their hearts as hard as flint, lest they might hear the law, and the words which Yahweh of Armies had sent by his Spirit by the former prophets. Therefore great wrath came from Yahweh of Armies.

But according to your hardness and unrepentant heart you are treasuring up for yourself wrath in the day of wrath, revelation, and of the righteous judgment of God;

but exhort one another day by day, so long as it is called "today;" lest any one of you be hardened by the deceitfulness of sin.