1 Samuel 24:8-10

8David also arose afterward, went out of the cave, and called out to Saul, saying, “My lord the king!” And when Saul looked behind him, David stooped with his face to the earth, and bowed down.

9And David said to Saul: “Why do you listen to the words of men who say, ‘Indeed David seeks your harm’?

10Look, this day your eyes have seen that the Lord delivered you today into my hand in the cave, and someone urged me to kill you. But my eye spared you, and I said, ‘I will not stretch out my hand against my lord, for he is the Lord’s anointed.’