1 Samuel 24:19 in the World English Bible
For if a man finds his enemy, will he let him go away unharmed? Therefore may the LORD reward you good for that which you have done to me today.
Context
18 And thou hast shewed this day how that thou hast dealt well with me: forasmuch as when the LORD had delivered me into thine hand, thou killedst me not.
19 For if a man find his enemy, will he let him go well away? wherefore the LORD reward thee good for that thou hast done unto me this day.
20 And now, behold, I know well that thou shalt surely be king, and that the kingdom of Israel shall be established in thine hand.