1 Samuel 15:9-26
But Saul and the people spared Agag, and the best of the sheep, and of the oxen, and of the fatted calves, and the lambs, and all that was good, and would not utterly destroy them: but every thing that was vile and refuse, that they destroyed utterly.
Torrey's Topical Textbook—AKJV

1 Samuel 28:18
Because you obeyed not the voice of the LORD, nor executed his fierce wrath on Amalek, therefore has the LORD done this thing to you this day.
Torrey's Topical Textbook—AKJV