Luke 11:39

But the Lord said to him, "Now ye, the Pharisees, cleanse the outside of the cup and the dish; but your inward part is full of extortion and wickedness.

Luke 22:47-48

While He was yet speaking, behold, a multitude, and he who is called Judas, one of the twelve, was coming before them; and he drew near to Jesus to kiss Him.

Matthew 23:27

"Woe to you scribes and Pharisees, hypocrites! because ye are like white-washed sepulchres, which outwardly, indeed, appear beautiful, but within are full of bones of the dead 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

Luke 22:47
While He was yet speaking, behold, a multitude, and he who is called Judas, one of the twelve, was coming before them; and he drew near to Jesus to kiss Him.