He also rebelled against King Nebuchadnezzar who had made him swear allegiance by God. He became obstinate , and hardened his heart against returning to the Lord, the God of Israel.
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.