John Gills Exposition of the Bible Commentary - Psalms 149:9
To execute upon them the judgment written ,.... In the law, according to the Targum; either upon the seven nations of the land of Canaan, Deuteronomy 7:12 ; or upon all the enemies of God and his people, Deuteronomy 32:41 ; or rather in the Gospel; which declares, that whoever believes in Christ shall be saved, but whoever believes not shall be damned, Mark 16:16 . And according to this twoedged sword or word of God, and the sentence pronounced by it, and judgment written in it, things... read more
Matthew Henry's Complete Commentary - Psalms 149:6-9
The Israel of God are here represented triumphing over their enemies, which is both the matter of their praise (let them give to God the glory of those triumphs) and the recompence of their praise; those that are truly thankful to God for their tranquillity shall be blessed with victory. Or it may be taken as a further expression of their praise (Ps. 149:6): let the high praises of God be in their mouth, and then, in a holy zeal for his honour, let them take a two-edged sword in their hand, to... read more