As for me, I am going to harden the hearts of the Egyptians so that they will go in after them, and I will receive glory by means of Pharaoh, all his army, and his chariots and horsemen.
So Moses and Aaron went in to Pharaoh and told him, ‘This is what the Lord, the God of the Hebrews, says: How long will you refuse to humble yourself before me? Let my people go, that they may worship me.
The Lord instructed Moses, ‘When you go back to Egypt, make sure you do before Pharaoh all the wonders that I have put within your power. But I will harden his heart , so that he won’t let the people go.