John Gills Exposition of the Bible Commentary - 2 Samuel 8:2
And he smote Moab ,.... He next went against that, and invaded it, the people of it being always troublesome and distressing to the children of Israel; and though the king of it had shown some favour to David, yet it was when he considered him as an enemy to Saul, and Saul to him; but things having taken a different turn, his and his people's enmity against David and his people appeared; wherefore he went and fought them, and made them his subjects, whereby was fulfilled the prophecy of... read more
Matthew Henry's Complete Commentary - 2 Samuel 8:1-8
God had given David rest from all his enemies that opposed him and made head against him; and he having made a good use of that rest, has now commission given him to make war upon them, and to act offensively for the avenging of Israel's quarrels and the recovery of their rights; for as yet they were not in full possession of that country to which by the promise of God they were entitled. I. He quite subdued the Philistines, 2 Sam. 8:1. They had attacked him when they thought him weak (2 Sam.... read more