2 Samuel 3:26

And when Joab had come out from David, he sent men after Abner, and they overtook him at the water-spring of Sirah, and made him come back with them: but David had no knowledge of it.

Proverbs 26:23-26

Smooth lips and an evil heart are like a vessel of earth plated with silver waste.

Proverbs 27:4-6

Wrath is cruel, and angry feeling an overflowing stream; but who does not give way before envy?

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
Smooth lips and an evil heart are like a vessel of earth plated with silver waste.
Proverbs 27:4
Wrath is cruel, and angry feeling an overflowing stream; but who does not give way before envy?

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