1 Samuel 24:5-6

New Revised Standard Version, Anglicised Catholic Edition

⁵ Afterwards David was stricken to the heart because he had cut off a corner of Saul’s cloak. ⁶ He said to his men, ‘The Lord forbid that I should do this thing to my lord, the Lord’s anointed, to raise my hand against him; for he is the Lord’s anointed.’