1 Samuel 26:9

And David said to Abishai: "You shall not kill him. For who may extend his hand against the Christ of the Lord, and yet be innocent?

Other versions

And David said to Abishai, Destroy him not: for who can stretch forth his hand against the LORD'S anointed, and be guiltless?

But David said to Abishai, "Do not destroy him, for who can put out his hand against the LORD's anointed and be guiltless?"

But David said to Abishai, "Don't destroy him! Who can lay a hand on the LORD's anointed and be guiltless?