1 Samuel 26:16

What you have done is not good. By the living Lord, death is the right fate for you, because you have not kept watch over your lord, the man on whom the Lord has put the holy oil. Now see, where is the king's spear, and the vessel of water which was by his head?

1 Samuel 20:31

For while the son of Jesse is living on the earth, your position is unsafe and your kingdom is in danger. So make him come here to me, for it is certainly right for him to be put to death.

1 Samuel 26:11

Never will my hand be stretched out against the man marked with the holy oil; but take the spear which is by his head and the vessel of water, and let us go.

1 Samuel 24:6

And David said to his men, Before the Lord, never let it be said that my hand was lifted up against my lord, the man of the Lord's selection, for the Lord's holy oil has been put on him.

1 Samuel 26:9

And David said to Abishai Do not put him to death; for who, without sin, may put out his hand against the man on whom the Lord has put the holy oil?

2 Samuel 12:5

And David was full of wrath against that man; and he said to Nathan, By the living Lord, death is the right punishment for the man who has done this:

2 Samuel 19:28

For all my father's family were only dead men before my lord the king: and still you put your servant among those whose place is at the king's table. What right then have I to say anything more to the king?

Ephesians 2:3

Among whom we all at one time were living in the pleasures of our flesh, giving way to the desires of the flesh and of the mind, and the punishment of God was waiting for us even as for the rest.

Treasury of Scripture Knowledge

Summary

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.

Bible References

Worthy to die

1 Samuel 20:31
For while the son of Jesse is living on the earth, your position is unsafe and your kingdom is in danger. So make him come here to me, for it is certainly right for him to be put to death.
2 Samuel 12:5
And David was full of wrath against that man; and he said to Nathan, By the living Lord, death is the right punishment for the man who has done this:
2 Samuel 19:28
For all my father's family were only dead men before my lord the king: and still you put your servant among those whose place is at the king's table. What right then have I to say anything more to the king?

Lord's

1 Samuel 26:9
And David said to Abishai Do not put him to death; for who, without sin, may put out his hand against the man on whom the Lord has put the holy oil?
1 Samuel 24:6
And David said to his men, Before the Lord, never let it be said that my hand was lifted up against my lord, the man of the Lord's selection, for the Lord's holy oil has been put on him.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain