1 Samuel (Author Compiled by Isaiah from records of Samuel, David, Nathan, and Gad.)
15:20And 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;
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.