2 Samuel 19:21

But Abishai, the son of Zeruiah, answered and said, Shall not Shimei be put to death for this because he cursed the LORD's anointed?

Exodus 22:28

Thou shalt not revile the judges nor curse the prince of thy people.

1 Samuel 26:9

And David said to Abishai, Do not destroy him, for who has stretched forth his hand against the LORD's anointed, and remained innocent?

1 Samuel 24:6

And he said unto his men, The LORD keep me from doing this thing unto my master, the LORD's anointed, to stretch forth my hand against him, seeing he is the anointed of the LORD.

2 Samuel 16:5

And when King David came to Bahurim, behold, a man of the family of the house of Saul came forth, whose name was Shimei, the son of Gera; he came forth cursing

2 Samuel 16:7-8

And thus said Shimei when he cursed, Come out, come out, thou bloody man, and thou man of Belial;

2 Samuel 16:13

And as David and his men went by the way, Shimei went along on the side of the mountain over against him and cursed as he went and threw stones at him and cast dust.

1 Kings 21:10-11

and set two men, sons of Belial, before him, to bear witness against him, saying, Thou didst blaspheme God and the king. And then carry him out and stone him that he may die.

Treasury of Scripture Knowledge

Summary

But Abishai the son of Zeruiah answered and said, Shall not Shimei be put to death for this, because he cursed the LORD'S anointed?

Bible References

Shall not

Exodus 22:28
Thou shalt not revile the judges nor curse the prince of thy people.
1 Kings 21:10
and set two men, sons of Belial, before him, to bear witness against him, saying, Thou didst blaspheme God and the king. And then carry him out and stone him that he may die.

Cursed

2 Samuel 16:5
And when King David came to Bahurim, behold, a man of the family of the house of Saul came forth, whose name was Shimei, the son of Gera; he came forth cursing
1 Samuel 24:6
And he said unto his men, The LORD keep me from doing this thing unto my master, the LORD's anointed, to stretch forth my hand against him, seeing he is the anointed of the LORD.
1 Samuel 26:9
And David said to Abishai, Do not destroy him, for who has stretched forth his hand against the LORD's anointed, and remained innocent?