The three eldest sons of Jesse had gone after Saul to the battle: and the names of his three sons who went to the battle were Eliab the firstborn, and next to him Abinadab, and the third Shammah.
      III. David's dutiful obedience to his father's command. His prudence and care made him be up early (1 Samuel 17:20; 1 Samuel 17:20), and yet not to leave his sheep without a keeper, so faithful was he in a few things and therefore the fitter to be made ruler over many things, and so well had he learnt to obey before he pretended to command. God's providence brought him to the camp very seasonably, when both sides had set the battle in array, and, as it should seem, were more likely to come to an engagement than they had yet been during all the forty days, 1 Samuel 17:21; 1 Samuel 17:21. Both sides were now preparing to fight. Jesse little thought of sending his son to the army just at that critical juncture, but the wise God orders the time and all the circumstances of actions and affairs so as to serve his designs of securing the interests of Israel and advancing the men after his own heart. Now observe here,