John Gills Exposition of the Bible Commentary - 2 Samuel 8:15
And David reigned over all Israel ,.... Not only over Judah, but over all the tribes of Israel, and over the whole land of Canaan, as promised to Abraham, Genesis 15:18 ; reaching to the river Euphrates, as Syria did, now conquered by David: and David executed judgment and justice unto all his people ; when he returned from his wars, he heard and tried all causes impartially, brought before him, and gave sentence according to the law of God, and administered righteous judgment without... read more
Matthew Henry's Complete Commentary - 2 Samuel 8:15-18
David was not so engaged in his wars abroad as to neglect the administration of the government at home. I. His care extended itself to all the parts of his dominion: He reigned over all Israel (2 Sam. 8:15); not only he had a right to reign over all the tribes, but he did so; they were all safe under his protection, and shared in the fruits of his good government. II. He did justice with an unbiased unshaken hand: He executed judgment unto all his people, neither did wrong nor denied or... read more