29:9 Angel of God - In whom nothing is blame - worthy. The Heathens acknowledged good spirits, which also they worshipped as an inferior sort of deities, who were messengers and ministers to the supreme God; Achish had learned the title of angels, from the Israelites his neighbours, and especially from David's conversation.
29:6-11 David scarcely ever had a greater deliverance than when dismissed from such insnaring service. God's people should always behave themselves so, as, if possible, to get the good word of all they have dealings with: and it is due to those who have acted well, to speak well of them.