1 Samuel 28:2

And David said to Achish, Surely thou shalt know what thy slave can do. And Achish said to David, Therefore, I will make thee keeper of my head all the days.

1 Samuel 27:10

And Achish would say, Where have ye raided today? And David would say, Against the south of Judah and towards the Negev of the Jerahmeelites or towards the Negev of the Kenites.

2 Samuel 16:16-19

And it came to pass when Hushai the Archite, David's special companion, came unto Absalom, that Hushai said unto Absalom, Long live the king, Long live the king.

Romans 12:9

Let love be without dissimulation, abhorring that which is evil, causing you to come unto that which 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 would say, Where have ye raided today? And David would say, Against the south of Judah and towards the Negev of the Jerahmeelites or towards the Negev of the Kenites.
2 Samuel 16:16
And it came to pass when Hushai the Archite, David's special companion, came unto Absalom, that Hushai said unto Absalom, Long live the king, Long live the king.
Romans 12:9
Let love be without dissimulation, abhorring that which is evil, causing you to come unto that which is good;