וּבְאַחַ֖ת יִבְעֲר֣וּ וְיִכְסָ֑לוּ מוּסַ֥ר הֲבָלִ֖ים עֵ֥ץ הֽוּא׃
But they are altogether brutish and foolish: The vanities by which they are instructed are but a stock;
Read Jewish philosophical commentary on Jeremiah 10:8: and classical philosophical sources.