וַאֲנִ֣י אָמַ֔רְתִּי אַךְ־דַּלִּ֖ים הֵ֑ם נוֹאֲל֕וּ כִּ֣י לֹ֤א יָדְעוּ֙ דֶּ֣רֶךְ יְהוָ֔ה מִשְׁפַּ֖ט אֱלֹהֵיהֶֽם׃
Rashi on Jeremiah
And I said The prophet says so, “They are but impoverished of wisdom,” these with whom I speak.
Rashi on Jeremiah
they have become foolish Heb. נואלו, an expression of אויל, a fool, as the Targum renders: אטפשו.