I Samuel 28:18
The Scripture
(18) 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.
Chapter overview (whole chapter)
Fearful of the approaching Philistine army and unable to get an answer from the LORD, Saul disguised himself and consulted a witch at Endor, asking her to bring up the spirit of Samuel. Samuel's spirit rebuked Saul for disobeying the LORD and pronounced that Saul and his sons would die in battle the next day, leaving Saul overcome with terror.
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