17:40-47 The security and presumption of fools destroy them. Nothing can excel the humility, faith, and piety which appear in David's words. He expressed his assured expectation of success; he gloried in his mean appearance and arms, that the victory might be ascribed to the Lord alone.And when the Philistine looked about, and saw David, he disdained him,.... He looked about for his antagonist, to take a view of him, what sort of a man he was, expecting to see one much like himself; but observing a puny young man, he despised him in his heart, and perhaps looked upon it as an affront to him to send such a man to fight with him:

for he was but a youth; his age was one reason why he despised him, being, as before observed, about twenty years of age, and not come to his full strength, a stripling, as he is called, 1 Samuel 17:56, another reason follows:

and ruddy, and of a fair countenance; looked effeminate, had not the appearance of a soldier, of a weather beaten veteran, exposed to heat and cold, and inured to hardships.