'Harden' in the Bible

And Jehovah said unto Moses, When thou goest back into Egypt, see that thou do before Pharaoh all the wonders which I have put in thy hand: but I will harden his heart and he will not let the people go.

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

And I will harden Pharaoh's heart, and he shall follow after them; and I will get me honor upon Pharaoh, and upon all his host: and the Egyptians shall know that I am Jehovah. And they did so.

And I, behold, I will harden the hearts of the Egyptians, and they shall go in after them: and I will get me honor upon Pharaoh, and upon all his host, upon his chariots, and upon his horsemen.

If there be with thee a poor man, one of thy brethren, within any of thy gates in thy land which Jehovah thy God giveth thee, thou shalt not harden thy heart, nor shut thy hand from thy poor brother;

For it was of Jehovah 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 Jehovah commanded Moses.

Wherefore then do ye harden your hearts, as the Egyptians and Pharaoh hardened their hearts? When he had wrought wonderfully among them, did they not let the people go, and they departed?

Harden not your heart, as at Meribah, As in the day of Massah in the wilderness;