9 Now when Joab saw that [e]the battle was set against him at the front and at the rear, he selected warriors from all the choice men in Israel, and lined them up against the Arameans. 10 But the remainder of the people he placed [f]under the command of his brother Abishai, and he lined them up against the sons of Ammon. 11 And he said, “If the Arameans are too strong for me, then you shall help me; but if the sons of Ammon are too strong for you, then I will come to help you. 12 Be strong, and let’s show ourselves courageous for the sake of our people and the cities of our God; and may the Lord do what is good in His sight.” 13 So Joab and the people who were with him advanced to the battle against the Arameans, and they fled from him. 14 When the sons of Ammon saw that the Arameans had fled, they also fled from Abishai and entered the city. Then Joab returned from fighting against the sons of Ammon and came to Jerusalem.
15 When the Arameans saw that they had been [g]defeated by Israel, they assembled together. 16 And Hadadezer sent word and brought out the Arameans who were beyond the Euphrates River, and they came to Helam; and Shobach the commander of the army of Hadadezer [h]led them. 17 Now when it was reported to David, he gathered all Israel together and crossed the Jordan, and came to Helam. And the Arameans lined up against David and fought him. 18 But the Arameans fled from Israel, and David killed seven hundred charioteers of the Arameans and forty thousand horsemen, and struck Shobach the commander of their army, and he died there. 19 When all the kings, servants of Hadadezer, saw that they had been [i]defeated by Israel, they made peace with Israel and served them. So the Arameans were afraid to help the sons of Ammon anymore.
I love how Joab says, “…may the Lord do what is good in His sight.” He doesn’t say “may the Lord help us win…” or have any presumptions that God is going to be on their side. He simply recognizes that God is good, and that He will do whatever is best.
That’s not to say we shouldn’t ask for God’s help, as we certainly should, in every circumstance. But what we need to remember, is that we should be looking for His will, so that what we need help with is actually what God wants in the first place. Then, leave it in His hands, and don’t fret about what God will or won’t do. He will always do what is right, what is good, and what is best for us–even when we don’t like it.