Exodus 14:8

And Yahweh said to Moses, “When you go to return to Egypt, see to it that all the miraculous wonders which I have put in your hand, that you do them before Pharaoh; but as for Me, I will harden his heart with strength so that he will not let the people go.

And Yahweh hardened Pharaoh’s heart with strength, and he did not listen to them, just as Yahweh had spoken to Moses.

But Yahweh hardened Pharaoh’s heart with strength, and he was not willing to let them go.

“As for Me, behold, I will harden the hearts of the Egyptians with strength so that they will go in after them; and I will be glorified through Pharaoh and all his army, through his chariots and his horsemen.

“The enemy said, ‘I will pursue, I will overtake, I will divide the spoil; My desire shall be fulfilled against them; I will draw out my sword, my hand will dispossess them.’

They journeyed from Rameses in the first month, on the fifteenth day of the first month; on the next day after the Passover the sons of Israel started out with a high hand in the sight of all the Egyptians,

‘And I brought your fathers out of Egypt, and you came to the sea; and Egypt pursued your fathers with chariots and horsemen to the Red Sea.

You will give them dullness of heart; Your curse will be on them.