Now do not stiffen your neck [becoming obstinate] like your fathers, but yield to the Lord and come to His sanctuary which He has sanctified and set apart forever, and serve the Lord your God, so that His burning anger will turn away from you.

He also rebelled against King Nebuchadnezzar who had made him swear allegiance by God. He stiffened his neck and hardened his heart against turning to the Lord God of Israel.