‏ Jeremiah 5:11-13

Verse 12

They have belied the Lord - כחשו kichashu. They have denied or disavowed the Lord.

It is not he - לוא הוא lo hu, he is not; there is no such being; therefore this evil shall not come upon us. On their premises, this conclusion was just. There is no judge; therefore there shall be no judgment. Thus they denied the Lord. They were atheists at heart.
Verse 13

And the prophets shall become wind - What are the prophets?

Empty persons. Their words are wind; we hear the sound of their threatening but of the matter of the threatenings we shall hear no more.

And the word is not in them - There is no inspirer, but may their own predictions fall on their own heads! This seems the natural sense of this passage.
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