Saul persecuted Christians until encountering Jesus on the road to Damascus and becoming blind, where he was healed by Ananias and began preaching in Damascus. King David sinned by committing adultery with Bathsheba and arranging the death of her husband, for which the prophet Nathan rebuked him. God promises through Ezekiel that he will give Israel a new heart and put his Spirit within them so they walk in his statutes.