1 Samuel 24:8; 1 Samuel 28:14

1 Samuel 24:8

8 Now afterward David arose and went out of the cave and called after Saul, saying, "My lord the king!" And when Saul looked behind him, David bowed with his face to the ground and prostrated himself.

1 Samuel 28:14

14 He said to her, "What is his form?" And she said, "An old man is coming up, and he is wrapped with a robe." And Saul knew that it was Samuel, and he bowed with his face to the ground and did homage.