Therefore the king said to Shimei, "You shall not die." And the king swore to him.
2 Samuel 19:23
Surrounding context
19:22 And David said, "What have I to do with you, you sons of Zeruiah, that you should be adversaries to me today? Shall any man be put to death today in Israel? For do I not know that today I am king over Israel?"
19:23 Therefore the king said to Shimei, "You shall not die." And the king swore to him.
19:24 Now Mephibosheth the son of Saul came down to meet the king. And he had not cared for his feet, nor trimmed his mustache, nor washed his clothes, from the day the king departed until the day he returned in peace.