Because you did not obey the voice of the Lord, and did not carry out his fierce wrath against Amalek, therefore the Lord has done this thing to you this day.
And he said to him, “Thus says the Lord, ‘Because you have let go out of your hand the man whom I had devoted to destruction, therefore your life shall go for his life, and your people for his people.’ ”
So Saul died for his unfaithfulness; he was unfaithful to the Lord in that he did not keep the command of the Lord, and also consulted a medium, seeking guidance,
And Saul said to Samuel, “I have obeyed the voice of the Lord, I have gone on the mission on which the Lord sent me, I have brought Agag the king of Amalek, and I have utterly destroyed the Amalekites.
But Saul and the people spared Agag, and the best of the sheep and of the oxen and of the fatlings, and the lambs, and all that was good, and would not utterly destroy them; all that was despised and worthless they utterly destroyed.