1 Samuel 15:6-13

Then Saul got word to the Kenites: “Get out of here while you can. Evacuate the city right now or you’ll get lumped in with the Amalekites. I’m warning you because you showed real kindness to the Israelites when they came up out of Egypt.” And they did. The Kenites evacuated the place. Then Saul went after Amalek, from the canyon all the way to Shur near the Egyptian border. He captured Agag, king of Amalek, alive. Everyone else was killed under the terms of the holy ban. Saul and the army made an exception for Agag, and for the choice sheep and cattle. They didn’t include them under the terms of the holy ban. But all the rest, which nobody wanted anyway, they destroyed as decreed by the holy ban. Then GOD spoke to Samuel: “I’m sorry I ever made Saul king. He’s turned his back on me. He refuses to do what I tell him.” Samuel was angry when he heard this. He prayed his anger and disappointment all through the night. He got up early in the morning to confront Saul but was told, “Saul’s gone. He went to Carmel to set up a victory monument in his own honor, and then was headed for Gilgal.” By the time Samuel caught up with him, Saul had just finished an act of worship, having used Amalekite plunder for the burnt offerings sacrificed to GOD. As Samuel came close, Saul called out, “GOD’s blessings on you! I accomplished GOD’s plan to the letter!”