1 Samuel 27:1 Then David said in his heart, “Now I shall perish one day by the hand of Saul. There is nothing better for me than that I should escape to the land of the Philistines. Then Saul will despair of seeking me any longer within the borders of Israel, and I shall escape out of his hand.”

1 Samuel 28:7 Then Saul said to his servants, “Seek out for me a woman who is a medium, that I may go to her and inquire of her.” And his servants said to him, “Behold, there is a medium at En-dor.”

1 Samuel 29:3 the commanders of the Philistines said, “What are these Hebrews doing here?” And Achish said to the commanders of the Philistines, “Is this not David, the servant of Saul, king of Israel, who has been with me now for days and years, and since he deserted to me I have found no fault in him to this day.”

1 Samuel 20:42 Then Jonathan said to David, “Go in peace, because we have sworn both of us in the name of the Lord, saying, ‘The Lord shall be between me and you, and between my offspring and your offspring, forever.’” And he rose and departed, and Jonathan went into the city."