2 Samuel 19:19-23 - David's Mercy To Shimei
19 And he said to the king, Let not my lord charge iniquity to me. Do not remember the perverse way your servant acted in the day that my lord the king went out of Jerusalem, for the king to take it to his heart. 20 For your servant knows that I have sinned. And, behold, I come today, the first of all the house of Joseph to go down to meet my lord the king.
21 But Abishai the son of Zeruiah answered and said, Shall not Shimei be put to death for this, because he cursed Jehovah's anointed?
22 And David said, What do I have to do with you, you sons of Zeruiah, that you should be my foes today? Shall there be any man put to death today in Israel? For do I not know that I am king over Israel today? 23 And the king said to Shimei, You shall not die. And the king swore to him.