John Gills Exposition of the Bible Commentary - 2 Samuel 10:19
And when all the kings that were servants to Hadarezer ,.... That were subject to him, and at his beck and command, at least were hired by him into his service: saw that they were smitten before Israel ; could not stand their ground against them, being too powerful for them: they made peace with Israel, and served them ; became tributaries to them, whereby the promise of the land of Canaan made to Abraham and his seed, as reaching to the river Euphrates, had its accomplishment, ... read more
Matthew Henry's Complete Commentary - 2 Samuel 10:15-19
Here is, 1. A new attempt of the Syrians to recover their lost honour and to check the progress of David's victorious arms. The forces that were lately dispersed rallied again, and gathered themselves together, 2 Sam. 10:15. Even the baffled cause will make head as long as there is any life in it; the enemies of the Son of David do so, Matt. 22:34; Rev. 19:19. These, being conscious of their insufficiency, called in the aid of their allies and dependencies on the other side of the river (2... read more