The strong righ arm of the Lord

And David became more and more powerful, because the LORD God of Heaven's Armies was with him.  – 2 Samuel 5:10

Psalm 118:15-16 (NLT) "Songs of joy and victory are sung in the camp of the godly. The strong right arm of the LORD has done glorious things! The strong right arm of the LORD is raised in triumph. The strong right arm of the LORD has done glorious things!"