1 Samuel 29:6
Then Achish called David, and said unto him, Surely, as the Lord liveth, thou hast been upright, and thy going out and thy coming in with me in the host is good in my sight: for I have not found evil in thee since the day of thy coming unto me unto this day: nevertheless the lords favour thee not.
Cross-references
In 1 Samuel 29:3, Achish defends David to the Philistine commanders — this is the same scene, providing the background for his words to David in verse 6.
In 1 Samuel 29:2, David marches with Achish at the rear; this sets the scene for Achish's explanation in v6 that the lords disapprove.
In 1 Peter 2:12, believers are told to have honorable conduct among Gentiles — David’s integrity before the Philistine king Achish exemplifies this, as Achish sees no evil in him.
In 1 Peter 3:16, a good conscience silences slanderers — David, though accused by Philistine commanders, is declared blameless by Achish, demonstrating this principle.
In Jeremiah 12:16, the oath 'As the LORD lives' marks those who join God's people — here a Philistine ruler uses it for David, showing a foreigner acknowledging the true God.