David is at length presented to Saul for his champion (1 Sam. 17:31) and he bravely undertakes to fight the Philistine (1 Sam. 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 . A little shepherd, come but this morning from keeping sheep, ha...