And David said, “The LORD who delivered me from the paw of the lion and from the paw of the bear will deliver me from the hand of this Philistine.” And Saul said to David, “Go, and the LORD be with you!”
David is at length presented to Saul for his champion (Sa1 17:31) and he bravely undertakes to fight the Philistine (Sa1 17:32): Let no man's heart fail because of him. It would have reflected too much upon the valour of his prince if he had said, Let not thy heart fail; therefore he speaks generally: Let no man's heart fail.
Commenting on 1 Samuel 17:31-39
And David said moreover,.... For the further confirmation of it, and as more strongly expressing his faith of it; not as owing to any natural strength or skill of his, but to the power of God, of whose assistance he made no question: the Lord that delivered me out of the paw of the lion, and out of the paw of the bear; for to...
The Lord that delivered me--It would have been natural for a youth, and especially an Oriental youth, to make a parade of his gallantry. But David's piety sank all consideration of his own prowess and ascribed the success of those achievements to the divine aid, which he felt assured would not be withheld from him in a cause which so intimately concerned the safety and honor of His people.