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?
And Moses and Aaron came in unto Pharaoh, and said unto him, Thus saith Yahweh Elohim of the Hebrews, How long wilt thou refuse to humble thyself before me? let my people go, that they may serve me.
And I, behold, I will harden the hearts of the Egyptians, and they shall follow them: and I will gain honor over Pharaoh, and all his host, his chariots, and his horsemen.
And Yahweh 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.
But after thy hardness and impenitent heart treasurest up unto thyself wrath against the day of wrath and revelation of the righteous judgment of Elohim;