So will I break down the wall that ye have daubed with untempered morter, and bring it down to the ground, so that the foundation thereof shall be discovered, and it shall fall, and ye shall be consumed in the midst thereof: and ye shall know that I am the LORD.
This verse ought to be united with the other: God says, I will throw down the wall. For the false prophets had acquired so much favor, that their boasting was as much esteemed as an oracle. Hence the people were persuaded that what even these impostors dreamt was uttered by God.
The false prophets seduce God's people by crying peace when there is no peace, comparing themselves to those who build a flimsy wall on sand. They cheat sinners by lessening their dread of sin and fear of God, telling idolaters there is neither harm nor danger in their way. This lends them a false authority until the storm comes and exposes the rottenness beneath.
AI summary
Commenting on Ezekiel 13:10-16
To wit, the prophets of Israel, which prophesy concerning Jerusalem,.... This explains who are meant by those that daubed with untempered mortar: and which see visions of peace for her; not in reality, but in pretence; they boasted that they had visions and revelations from the Lord, and assured the people they should enjoy great peace and prosperity; but these, as they are before called...