2 Samuel 19:27

and he uttereth slander against thy servant unto my lord the king, and my lord the king is as a messenger of God; and do thou that which is good in thine eyes,

2 Samuel 14:17

and thy maid-servant saith, Let, I pray thee, the word of my lord the king be for ease; for as a messenger of God so is my lord the king, to understand the good and the evil; and Jehovah thy God is with thee.'

2 Samuel 14:20

in order to bring round the appearance of the thing hath thy servant Joab done this thing, and my lord is wise, according to the wisdom of a messenger of God, to know all that is in the land.'

1 Samuel 29:9

And Achish answereth and saith unto David, 'I have known that thou art good in mine eyes as a messenger of God; only, the princes of the Philistines have said, He doth not go up with us into battle;

2 Samuel 16:3

And the king saith, 'And where is the son of thy lord?' and Ziba saith unto the king, 'Lo, he is abiding in Jerusalem, for he said, To-day do the house of Israel give back to me the kingdom of my father.'

Exodus 20:16

'Thou dost not answer against thy neighbour a false testimony.

Psalm 15:3

He hath not slandered by his tongue, He hath not done to his friend evil; And reproach he hath not lifted up Against his neighbour.

Psalm 101:5

Whoso slandereth in secret his neighbour, Him I cut off, The high of eyes and proud of heart, him I endure not.

Jeremiah 9:4

Each of his friend -- beware ye, And on any brother, do not trust, For every brother doth utterly supplant, For every friend slanderously doth walk,

Treasury of Scripture Knowledge

Summary

And he hath slandered thy servant unto my lord the king; but my lord the king is as an angel of God: do therefore what is good in thine eyes.

General references

Bible References

Slandered

2 Samuel 16:3
And the king saith, 'And where is the son of thy lord?' and Ziba saith unto the king, 'Lo, he is abiding in Jerusalem, for he said, To-day do the house of Israel give back to me the kingdom of my father.'
Exodus 20:16
'Thou dost not answer against thy neighbour a false testimony.
Psalm 15:3
He hath not slandered by his tongue, He hath not done to his friend evil; And reproach he hath not lifted up Against his neighbour.
Psalm 101:5
Whoso slandereth in secret his neighbour, Him I cut off, The high of eyes and proud of heart, him I endure not.
Jeremiah 9:4
Each of his friend -- beware ye, And on any brother, do not trust, For every brother doth utterly supplant, For every friend slanderously doth walk,

As an angel

2 Samuel 14:17
and thy maid-servant saith, Let, I pray thee, the word of my lord the king be for ease; for as a messenger of God so is my lord the king, to understand the good and the evil; and Jehovah thy God is with thee.'
1 Samuel 29:9
And Achish answereth and saith unto David, 'I have known that thou art good in mine eyes as a messenger of God; only, the princes of the Philistines have said, He doth not go up with us into battle;

General references

Proverbs 18:17
Righteous is the first in his own cause, His neighbour cometh and hath searched him.