2 Samuel 3:26

And, when Joab had come out from David, he sent messengers after Abner, and brought him back from the well of Sirah, - but, David, knew it not.

Proverbs 26:23-26

Dross silver overlaid upon earthenware, so are burning lips, with a mischievous heart:

Proverbs 27:4-6

The cruelty of rage, and the overflow of anger! But who can stand before, jealousy?

Treasury of Scripture Knowledge

Summary

And when Joab was come out from David, he sent messengers after Abner, which brought him again from the well of Sirah: but David knew it not.

Bible References

He sent

Proverbs 26:23
Dross silver overlaid upon earthenware, so are burning lips, with a mischievous heart:
Proverbs 27:4
The cruelty of rage, and the overflow of anger! But who can stand before, jealousy?