David said to Achish, “Very well, you shall know what your servant can do.” And Achish said to David, “Very well, I will make you my bodyguard for life.”
Here is, I. The design of the Philistines against Israel. They resolved to fight them, Sa1 28:1. If the Israelites had not forsaken God, there would have been no Philistines remaining to molest them; if Saul had not forsaken him, they would by this time have been put out of all danger by them.
Commenting on 1 Samuel 28:1-6
And David said to Achish, surely thou shalt know what thy servant can do,.... By which he would have Achish understand, and so he did, that he would exert himself in favour of the Philistines, and against Israel, and do great and brave things, of which Achish would be, made sensible, through his heroic courage and valour; though he meant rather what he could and...
Surely thou shalt know what thy servant can do--This answer, while it seemed to express an apparent cheerfulness in agreeing to the proposal, contained a studied ambiguity--a wary and politic generality. Therefore will I make thee keeper of mine head for ever--or, "my life"; that is, "captain of my bodyguard," an office of great trust and high honor.