1 Samuel 24:8

24:8 Afterward David got up and went out of the cave. He called out after Saul, “My lord, O king!” When Saul looked behind him, David kneeled down and bowed with his face to the ground.

1 Samuel 25:24

25:24 Falling at his feet, she said, “My lord, I accept all the guilt! But please let your female servant speak with my lord! Please listen to the words of your servant!

1 Samuel 29:8

29:8 But David said to Achish, “What have I done? What have you found in your servant from the day that I first came into your presence until the present time, that I shouldn’t go and fight the enemies of my lord the king?”