Proverbs 26:23

Like an earthen vessel overlaid with silver dross
Are burning lips and a wicked heart.

Luke 11:39

But the Lord said to him, “Now you Pharisees clean the outside of the cup and of the platter; but inside of you, you are full of robbery and wickedness.

Luke 22:47-48

While He was still speaking, behold, a crowd came, and the one called Judas, one of the twelve, was preceding them; and he approached Jesus to kiss Him.

2 Samuel 20:9-10

Joab said to Amasa, “Is it well with you, my brother?” And Joab took Amasa by the beard with his right hand to kiss him.

Proverbs 10:18

He who conceals hatred has lying lips,
And he who spreads slander is a fool.

Proverbs 25:4

Take away the dross from the silver,
And there comes out a vessel for the smith;

Ezekiel 33:31

They come to you as people come, and sit before you as My people and hear your words, but they do not do them, for they do the lustful desires expressed by their mouth, and their heart goes after their gain.

Matthew 23:27

Woe to you, scribes and Pharisees, hypocrites! For you are like whitewashed tombs which on the outside appear beautiful, but inside they are full of dead men’s bones and all uncleanness.

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 conceals hatred has lying lips,
And he who spreads slander is a fool.
2 Samuel 20:9
Joab said to Amasa, “Is it well with you, my brother?” And Joab took Amasa by the beard with his right hand to kiss him.
Ezekiel 33:31
They come to you as people come, and sit before you as My people and hear your words, but they do not do them, for they do the lustful desires expressed by their mouth, and their heart goes after their gain.
Luke 22:47
While He was still speaking, behold, a crowd came, and the one called Judas, one of the twelve, was preceding them; and he approached Jesus to kiss Him.