Mercy: David to Saul

Behold, this day you have seen with your own eyes that the LORD delivered you into my hand in the cave. I was told to kill you, but I spared you and said, ‘I will not lift my hand against my lord, since he is the LORD’s anointed.’ …

…and said to David, “You are more righteous than I, for you have rewarded me with good, though I have rewarded you with evil.