Proverbs 26:23

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

Luke 11:39

And the Lord said to him, Now do ye Pharisees make clean the outside of the cup and the platter; but your inward part is full of ravening and wickedness.

Luke 22:47-48

And while he was yet speaking, behold a multitude, and he that was called Judas, one of the twelve, went before them, and drew near to Jesus to kiss him.

2 Samuel 20:9-10

And Joab said to Amasa, Art thou in health, my brother? And Joab took Amasa by the beard with the right hand to kiss him.

Proverbs 10:18

He that hideth hatred with lying lips, and he that uttereth a slander, is a fool.

Proverbs 25:4

Take away the dross from the silver, and there shall come forth a vessel for the finer.

Ezekiel 33:31

And they come to thee as the people come, and they sit before thee as my people, and they hear thy words, but they will not do them: for with their mouth they show much love, but their heart goeth after their covetousness.

Matthew 23:27

Woe to you, scribes and Pharisees, hypocrites! for ye are like whitened sepulchers, which indeed appear beautiful outward, but are within full of dead men's bones, and of 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 that hideth hatred with lying lips, and he that uttereth a slander, is a fool.
2 Samuel 20:9
And Joab said to Amasa, Art thou in health, my brother? And Joab took Amasa by the beard with the right hand to kiss him.
Ezekiel 33:31
And they come to thee as the people come, and they sit before thee as my people, and they hear thy words, but they will not do them: for with their mouth they show much love, but their heart goeth after their covetousness.
Luke 22:47
And while he was yet speaking, behold a multitude, and he that was called Judas, one of the twelve, went before them, and drew near to Jesus to kiss him.