John Gills Exposition of the Bible Commentary - 2 Samuel 16:10
And the king said, what have I to do with you, ye sons of Zeruiah ?.... It seems as if Joab, the brother of Abishai, joined with him in this request to have leave to take off the head of Shimei; and though David had to do with them as his relations, his sister's sons, and as they were generals in his army; yet in this case he would have nothing to do with them, would not take their advice, nor suffer them to take revenge on this man for his cursing him: or "what is it to me, or to you" ... read more
Matthew Henry's Complete Commentary - 2 Samuel 16:5-14
We here find how David bore Shimei's curses much better than he had borne Ziba's flatteries. By the latter he was brought to pass a wrong judgment on another, by the former to pass a right judgment on himself. The world's smiles are more dangerous than its frowns. Observe here, I. How insolent and furious Shimei was, and how his malice took occasion from David's present distress to be so much the more outrageous. David, in his flight, had come to Bahurim, a city of Benjamin in or near which... read more