"Nothing that a man permanently sets apart to the LORD from all he owns, whether a person, an animal, or his inherited landholding, can be sold or redeemed; everything set apart is especially holy to the LORD.
The Gibeonites answered him, "It was clearly reported to your servants that the LORD your God had commanded His servant Moses to give you all the land and to destroy all the inhabitants of the land before you. We greatly feared for our lives because of you, and that is why we did this.
Saul and the troops spared Agag, and the best of the sheep, cattle, and fatlings, as well as the young rams and the best of everything else. They were not willing to destroy them, but they did destroy all the worthless and unwanted things.