1 Samuel 15:26-35

But Samuel refused: “No, I can’t come alongside you in this. You rejected GOD’s command. Now GOD has rejected you as king over Israel.” As Samuel turned to leave, Saul grabbed at his priestly robe and a piece tore off. Samuel said, “GOD has just now torn the kingdom from you, and handed it over to your neighbor, a better man than you are. Israel’s God-of-Glory doesn’t deceive and he doesn’t dither. He says what he means and means what he says.” Saul tried again, “I have sinned. But don’t abandon me! Support me with your presence before the leaders and the people. Come alongside me as I go back to worship GOD.” Samuel did. He went back with him. And Saul dropped to his knees before GOD and worshiped. Then Samuel said, “Present King Agag of Amalek to me.” Agag came, dragging his feet, muttering that he’d be better off dead. Samuel said, “Just as your sword made many a woman childless, so your mother will be childless among those women!” And Samuel cut Agag down in the presence of GOD right there in Gilgal. Samuel left immediately for Ramah and Saul went home to Gibeah. Samuel had nothing to do with Saul from then on, though he grieved long and deeply over him. But GOD was sorry he had ever made Saul king in the first place.