1 Chronicles 19:13 in the King James Version
Be of good courage, and let us behave ourselves valiantly for our people, and for the cities of our God: and let the LORD do that which is good in his sight.
Context
12 He said, “If the Syrians are too strong for me, then you are to help me; but if the children of Ammon are too strong for you, then I will help you.
13 Be courageous, and let’s be strong for our people and for the cities of our God. May the LORD do that which seems good to him.”
14 So Joab and the people who were with him came near to the front of the Syrians to the battle; and they fled before him.