לֶ֣חֶם יוּדָ֔ק כִּ֛י לֹ֥א לָנֶ֖צַח אָד֣וֹשׁ יְדוּשֶׁ֑נּוּ וְ֠הָמַם גִּלְגַּ֧ל עֶגְלָת֛וֹ וּפָרָשָׁ֖יו לֹֽא־יְדֻקֶּֽנּוּ׃
Is bread corn crushed? Nay, he will not ever be threshing it; And though the roller of his wagon and its sharp edges move noisily, He doth not crush it.
Read halakhic rulings (Jewish law) on Isaiah 28:28: and classical halakhic sources.