1 Samuel 27:12 in the King James Version
And Achish believed David, saying, He hath made his people Israel utterly to abhor him; therefore he shall be my servant for ever.
Context
11 David saved neither man nor woman alive to bring them to Gath, saying, “Lest they should tell about us, saying, ‘David did this, and this has been his way all the time he has lived in the country of the Philistines.’”
12 Achish believed David, saying, “He has made his people Israel utterly to abhor him. Therefore he will be my servant forever.”