1 Samuel 28:2

David said to Achish, "Very well, you will know what your servant can do." Achish said to David, "Very well, I will make you {my bodyguard} for life."

1 Samuel 27:10

And Achish said, "Against whom have you raided today?" David said, "Against the Negev of Judah and against the Negev of the Jerahmeelites and against the Negev of the Kenites."

2 Samuel 16:16-19

When Hushai the Arkite the friend of David came to Absalom, Hushai said to Absalom, "[Long] live the king, [long] live the king!"

Romans 12:9

Love must be without hypocrisy. Abhor what [is] evil; be attached to what [is] good,

Treasury of Scripture Knowledge

Summary

And David said to Achish, Surely thou shalt know what thy servant can do. And Achish said to David, Therefore will I make thee keeper of mine head for ever.

Bible References

Surely

1 Samuel 27:10
And Achish said, "Against whom have you raided today?" David said, "Against the Negev of Judah and against the Negev of the Jerahmeelites and against the Negev of the Kenites."
2 Samuel 16:16
When Hushai the Arkite the friend of David came to Absalom, Hushai said to Absalom, "[Long] live the king, [long] live the king!"
Romans 12:9
Love must be without hypocrisy. Abhor what [is] evil; be attached to what [is] good,