And the Lord said to him as he was returning into Egypt: See that thou do all the wonders before Pharao, which I have put in thy hand. I shall harden his heart, and he will not let the people go.
But according to thy hardness and impenitent heart, thou treasurest up to thyself wrath, against the day of wrath, and revelation of the just judgment of God.
And Sehon the king of Hesebon would not let us pass: because the Lord thy God had hardened his spirit, and fixed his heart, that he might be delivered into thy hands, as now thou seest.
And I will harden the heart of the Egyptians to pursue you: and I will be glorified in Pharao, and in all his host, and in his chariots, and in his horsemen.
And the magicians of the Egyptians with their enchantments did in like manner. And Pharao's heart was hardened: neither did he hear them, as the Lord had commanded.
And Pharao sent to see: and there was not any thing dead of that which Israel possessed. And Pharao's heart was hardened, and he did not let the people go.
And his heart was hardened, and the heart of his servants: and it was made exceeding hard. Neither did he let the children of Israel go, as the Lord had commanded by the hand of Moses.
He also revolted from king Nabuchodonosor, who had made him swear by God. And he hardened his neck and his heart, from returning to the Lord the God of Israel.