3 So all the responsible men of Israel came to the king at Hebron; and King David made an agreement with them in Hebron before the Lord: and they put the holy oil on David and made him king over Israel. 4 David was thirty years old when he became king, and he was king for forty years,
Matthew Henry's Commentary on 2 Samuel 5:3-4
Commentary on 2 Samuel 5:1-5
(Read 2 Samuel 5:1-5)
David was anointed king a third time. His advances were gradual, that his faith might be tried, and that he might gain experience. Thus his kingdom typified that of the Messiah, which was to come to its height by degrees. Thus Jesus became our Brother, took upon him our nature, dwelt in it that he might become our Prince and Saviour: thus the humbled sinner takes encouragement from the endearing relation, applies for his salvation, submits to his authority, and craves his protection.