David girded his sword on his clothing, and he tried to go; for he had not proved it. David said to Saul, I can't go with these; for I have not proved them. David put them off him.
 But the Lord takes care not long after, as we learn in the next chapter (1 Samuel 17:1-58), that a far more urgent need, not merely personal but connected with the whole people, and in opposition to the power that the enemy put forward at this very time, should bring David publicly and permanently on Israel's behalf into the king's court.
