Matthew Henry on 1 Samuel 23:19–end
Here, 1. The Ziphites offer their service to Saul, to betray David to him, Sa1 23:19, Sa1 23:20. He was sheltering himself in the wilderness of Ziph (Sa1 23:14, Sa1 23:15), putting the more confidence in the people of that country because they were of his own tribe. They had reason to think themselves happy that they had an opportunity of serving one who was the ornament of their tribe and was likely to be much more so, who was so far from plundering the country, or giving it any disturbance with his troops, that he was ready to protect it and to them all the good offices that there was occasion for. But, to ingratiate themselves with Saul, they went to him, and not only informed him very pa…
Read the whole note in the consoleJamieson-Fausset-Brown on 1 Samuel 23:25
David . . . came down into a rock, and abode in the wilderness of Maon--Tell Main, the hillock on which was situated the ancient Maon (Jos 15:55), and from which the adjoining wilderness took its name, is one mile north, ten east from Carmel. The mountain plateau seems here to end. It is true the summit ridge of the southern hills runs out a long way further towards the southwest; but towards the southeast the ground sinks more and more down to a tableland of a lower level, which is called "the plain to the right hand [that is, to the south] of the wilderness" [VAN DE VELDE].
Adam Clarke on 1 Samuel 23:27
There came a messenger - See the providence of God exerted for the salvation of David's life! David and his men are almost surrounded by Saul and his army, and on the point of being taken, when a messenger arrives and informs Saul that the Philistines had invaded the land! But behold the workings of Providence! God had already prepared the invasion of the land by the Philistines, and kept Saul ignorant how much David was in his power; but as his advanced guards and scouts must have discovered him in a very short time, the messenger arrives just at the point of time to prevent it. Here David was delivered by God, and in such a manner too as rendered the Divine interposition visible.
John Gill on 1 Samuel 23:27