David smote Hadarezer, as he went to establish his dominion Such is the uncertainty of this world, that many times men lose their wealth and power, then when they think to confirm them. The meaning of the words, however, may be, that as David went to establish his own dominion, this king of Zobah came out to oppose him, and therefore David smote him. See on 2 Samuel 8:3.
Related Commentaries of 1 Chronicles 18:3
1 Chronicles 18:3
3 And David smote Hadarezera king of Zobah unto Hamath, as he went to stablish his dominion by the river Euphrates.