1 Samuel 15:18-20

Young's Literal Translation

¹⁸ and Jehovah sendeth thee in the way, and saith, Go, and thou hast devoted the sinners, the Amalekite, and fought against them till they are consumed;

¹⁹ and why hast thou not hearkened to the voice of Jehovah -- and dost fly unto the spoil, and dost do the evil thing in the eyes of Jehovah?'

²⁰ And Saul saith unto Samuel, `Because -- I have hearkened to the voice of Jehovah, and I go in the way which Jehovah hath sent me, and bring in Agag king of Amalek, and Amalek I have devoted;