Passage
And the Philistine came on and drew near unto David; and the man that bare the shield went before him.
And the Philistine came on and drew near unto David; and the man that bare the shield went before him.
1 Samuel 17:39 And David girded his sword upon his apparel, and he assayed to go; for he had not proved it. And David said unto Saul, I cannot go with these; for I have not proved them. And David put them off him.
1 Samuel 17:40 And he took his staff in his hand, and chose him five smooth stones out of the brook, and put them in the shepherd`s bag which he had, even in his wallet; and his sling was in his hand: and he drew near to the Philistine.
1 Samuel 17:41 And the Philistine came on and drew near unto David; and the man that bare the shield went before him.
1 Samuel 17:42 And when the Philistine looked about, and saw David, he disdained him; for he was but a youth, and ruddy, and withal of a fair countenance.
1 Samuel 17:43 And the Philistine said unto David, Am I a dog, that thou comest to me with staves? And the Philistine cursed David by his gods.
The verse centers on "philistine", "came", "drew", "near", "david", "bare", "shield", and "went". It is saying that the verse draws attention to "philistine" and "came", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 40's "And he took his staff in his..." into verse 42's "And when the Philistine looked about and...", so "philistine" and "came" belong inside that flow. In 1 Samuel context, the local focus is covenant, worship, and faithfulness.
A plain takeaway is to answer the verse's own emphasis on "philistine" and "came" with trust shaped by these words, not by a vague optimism outside the passage.