1 Samuel 26:16 in the King James Version
This thing is not good that thou hast done. As the LORD liveth, ye are worthy to die, because ye have not kept your master, the LORD’s anointed. And now see where the king’s spear is, and the cruse of water that was at his bolster.
Context
15 David said to Abner, “Aren’t you a man? Who is like you in Israel? Why then have you not kept watch over your lord the king? For one of the people came in to destroy your lord the king.
16 This thing isn’t good that you have done. As the LORD lives, you are worthy to die, because you have not kept watch over your lord, the LORD’s anointed. Now see where the king’s spear is, and the jar of water that was at his head.”
17 Saul recognized David’s voice, and said, “Is this your voice, my son David?” David said, “It is my voice, my lord, O king.”