1 Samuel 28:2

David said to Achish, "Therefore you shall know what your servant will do." Achish said to David, "therefore I will make you my bodyguard for ever."

1 Samuel 27:10

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

2 Samuel 16:16-19

It happened, when Hushai the Archite, David's friend, had come to Absalom, that Hushai said to Absalom, "Long live the king. Long live the king."

Romans 12:9

Let love be without hypocrisy. Abhor that which is evil. Cling to 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
Achish said, "Against whom have you made a raid today?" David said, "Against the Negev of Judah, against the Negev of the Jerahmeelites, and against the Negev of the Kenites."
2 Samuel 16:16
It happened, when Hushai the Archite, David's friend, had come to Absalom, that Hushai said to Absalom, "Long live the king. Long live the king."
Romans 12:9
Let love be without hypocrisy. Abhor that which is evil. Cling to that which is good.