Because you did not obey the voice of the LORD and did not carry out his fierce wrath against Amalek, therefore the LORD has done this thing to you this day.
We have here the conference between Saul and Satan. Saul came in disguise (Sa1 28:8), but Satan soon discovered him, Sa1 28:12. Satan comes in disguise, in the disguise of Samuel's mantle, and Saul cannot discover him. Such is the disadvantage we labour under, in wrestling with the rulers of the darkness of this world, that they know us, while we are ignorant of their wiles and devices. I.
Commenting on 1 Samuel 28:15-19
Because thou obeyedst not the voice of the Lord,.... At Gilgal, as Abarbinel thinks; which is the first thing for which the kingdom was threatened to be taken from him, Sa1 13:13, nor executedst his fierce wrath upon Amalek: in sparing Agag, and the best of the cattle, Sa1 15:9, therefore hath the Lord done this thing unto thee this day; forsaken him, rent his...
SAUL SEEKS A WITCH, WHO, BEING ENCOURAGED BY HIM, RAISES UP SAMUEL. (1Sa. 28:7-25) Then said Saul unto his servants, Seek me a woman that hath a familiar spirit--From the energetic measures which he himself had taken for extirpating the dealers in magical arts (the profession having been declared a capital offense), his most attached courtiers might have had reason to doubt the possibility of gratifying their master's wish.
Commenting on 1 Samuel 28:7-25