David was a man after God's own heart, and yet he had his faults, which are recorded, not for our imitation, but for our admonition; witness the story of this chapter, in which, though, I. We find, to his praise, that he prudently took care of his own safety and his family's (Sa1 27:2-4) and valiantly fought Israel's battles against the Canaanites (Sa1 27:8-9), yet, II. We find, to his dishonour, 1. That he began to despair of his deliverance (Sa1 27:1). 2. That he deserted his own country, and went to dwell in the land of the Philistines (Sa1 27:1, Sa1 27:5-7). 3. That he imposed upon Achish with an equivocation, if not a lie, concerning his expedition (Sa1 27:10-12).