And Abishai, the son of Zeruiah, killed 18,000 Edomites in the Valley of Salt.
Here let us learn, 1. That it is our interest to make those our friends who have the presence of God with them. The king of Hamath, hearing of David's great success, sent to congratulate him and to court his favour with a noble present, Ch1 18:9, Ch1 18:10. It is in vain to contend with the Son of David.
Commenting on 1 Chronicles 18:9-17
Moreover Abishai the son of Zeruiah slew of the Edomites in the valley of salt eighteen thousand. (f) Which is understood that Joab slew 12,000 as is in and Abishai the rest.
Abishai - slew of the Edomites - This victory is attributed to David, Sa2 8:13. He sent Abishai against them, and he defeated them: this is with great propriety attributed to David as commander-in-chief; qui facit per alterum, facit per se.