'Harden' in the Bible

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.

I will harden Pharaoh's heart, and multiply my signs and my wonders in the land of Egypt.

I will harden Pharaoh's heart, and he will follow after them; and I will get honor over Pharaoh, and over all his armies; and the Egyptians shall know that I am Yahweh." They did so.

I, behold, I will harden the hearts of the Egyptians, and they shall go in after them: and I will get myself honor over Pharaoh, and over all his armies, over his chariots, and over his horsemen.

If a poor man, one of your brothers, is with you within any of your gates in your land which Yahweh your God gives you, you shall not harden your heart, nor shut your hand from your poor brother;

For it was of Yahweh to harden their hearts, to come against Israel in battle, that he might utterly destroy them, that they might have no favor, but that he might destroy them, as Yahweh commanded Moses.

Why then do you harden your hearts, as the Egyptians and Pharaoh hardened their hearts? When he had worked wonderfully among them, didn't they let the people go, and they departed?

Don't harden your heart, as at Meribah, as in the day of Massah in the wilderness,

O Yahweh, why do you make us to err from your ways, and harden our heart from your fear? Return for your servants' sake, the tribes of your inheritance.

don't harden your hearts, as in the rebellion, like as in the day of the trial in the wilderness,

while it is said, "Today if you will hear his voice, don't harden your hearts, as in the rebellion."

he again defines a certain day, today, saying through David so long a time afterward (just as has been said), "Today if you will hear his voice, don't harden your hearts."