1 Samuel 26:20-22
English Standard Version
21Then Saul said, "I have sinned. Return, my son David, for I will no more do you harm, because my life was precious in your eyes this day. Behold, I have acted foolishly, and have made a great mistake."
22And David answered and said, "Here is the spear, O king! Let one of the young men come over and take it.