John Gills Exposition of the Bible Commentary - Psalms 9:8
And he shall judge the world in righteousness ,.... The word תבל , rendered "world", is, as Ben Melech well observes, a general name for all the countries of the habitable world; and so shows that it is the universal judgment that is here spoken of; and which will be carried on and finished with the utmost righteousness, and according to the strictest rules of justice and equity; and is therefore called the righteous judgment of God, Romans 2:5 ; see Psalm 96:13 ; he shall minister... read more
Matthew Henry's Complete Commentary - Psalms 9:1-10
The title of this psalm gives a very uncertain sound concerning the occasion of penning it. It is upon Muth-labben, which some make to refer to the death of Goliath, others of Nabal, others of Absalom; but I incline to think it signifies only some tone, or some musical instrument, to which this psalm was intended to be sung; and that the enemies David is here triumphing in the defeat of are the Philistines, and the other neighbouring nations that opposed his settlement in the throne, whom he... read more