Treasury of Scripture Knowledge

Summary

Burning lips and a wicked heart are like a potsherd covered with silver dross.

That is, ardent professions of friendship from a wicked heart, however smooth, shining, and splendid they may appear, are like a vile vessel covered over with base metal

Bible References

That is, ardent professions of friendship from a wicked heart, however smooth, shining, and splendid they may appear, are like a vile vessel covered over with base metal

Proverbs 10:18

He who hides hatred has lying lips,
And he who spreads slander is a fool.
2 Samuel 20:9
Joab said to Amasa, “Is it going well with you, my brother?” And with his right hand Joab took hold of Amasa by the beard [as if] to kiss him [in greeting].
Ezekiel 33:31
They come to you as people come, and they sit before you as My people, and they hear your words, but they do not practice them; for with their mouth they express loving devotion, but their heart goes after their (unlawful) gain.
Luke 22:47
While He was still speaking, a crowd came, and the man called Judas, one of the twelve [disciples], was leading the way for them. He approached Jesus to kiss Him.