And David said to Saul, Let no man’s heart fail because of him; thy servant will go and fight with this Philistine.
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 to Saul, let no man's heart fail because of him,.... The Philistine, though so gigantic, mighty, and blustering: this he said within himself, so Kimchi; as David perceived the hearts of most, if not all, did, since none dared to go out and fight him, but on the contrary fled from him: thy servant will go and fight with this Philistine; and...
And David said - This properly connects with the eleventh verse.