For I will at this time send all my plagues upon thine heart, and upon thy servants, and upon thy people; that thou mayest know that [there is] none like me in all the earth.
Ver. 14. All my plagues upon thine heart.] Heart plagues are the worst plagues of all. A hard heart is in some respects worse than hell: since one of the greatest sins is greater in evil, than any of the greatest punishments.