2 Samuel 2:26-27

ISV(i) 26 Then Abner called out to Joab, “Must the battle sword keep on devouring forever? Don’t you realize that the end result is bitterness? How long will it take for you to order your army to stop pursuing their own relatives?”
27 Joab answered, “As God lives, if you hadn’t spoken up, by morning my army would have broken off their pursuit of their own relatives.”