1 Samuel 15:18-19
1 Samuel 15:18-19 AMP
and the LORD sent you on a mission, and said, ‘Go, totally destroy the sinners, the Amalekites, and fight against them until they are eliminated.’ Why did you not obey the voice of the LORD, but [instead] swooped down on the plunder [with shouts of victory] and did evil in the sight of the LORD?”