Because thou obeyedst not the voice of the LORD, nor executedst his fierce wrath upon Amalek, therefore hath the LORD done this thing unto thee this day.
Ver. 18. Because thou obeyedst not the voice of the Lord.] This disobedience the devil had once tempted him unto, and now he layeth it in his dish to drive him to despair. This is yet his method to this day: be not ignorant of his wiles.