Albert Barnes Commentary 1 Samuel 11:13

"And Saul said, There shall not a man be put to death this day; for to-day Jehovah hath wrought deliverance in Israel." — 1 Samuel 11:13 (ASV)

There shall not a man ... - An instance of great moderation, as well as good policy, on Saul’s part. Compare David’s conduct (see the cross-reference).