1 Samuel 24:5-6

Afterward, David’s conscience was stricken because he had cut off the corner of Saul’s robe. So he said to his men, “The LORD forbid that I should do such a thing to my master, the forbid that I should do such a thing to my master, the LORD’s anointed. May I never lift my hand against him, since he is the ’s anointed. May I never lift my hand against him, since he is the LORD’s anointed.”