It came to pass in those days that the Philistines gathered their armies together for warfare to fight with Israel. Achish said to David, “Know, yes, know that you are to go out with me in the army, you and your men.” Bible

“know, yes, know.” The Hebrew text of 1 Samuel 28:1 uses the figure of speech polyptoton for emphasis. See commentary on Genesis 2:16.

Commentary for: 1 Samuel 28:1