Treasury of Scripture Knowledge

Summary

And he said, Hearken ye, all Judah, and ye inhabitants of Jerusalem, and thou king Jehoshaphat, Thus saith the LORD unto you, Be not afraid nor dismayed by reason of this great multitude; for the battle is not yours, but God's.

Bible References

The battle

2 Chronicles 32:8
With him is an arm of flesh; but with us is Yahweh our God to help us, and to fight our battles." The people rested themselves on the words of Hezekiah king of Judah.
1 Samuel 17:47
and that all this assembly may know that Yahweh doesn't save with sword and spear: for the battle is Yahweh's, and he will give you into our hand."