וַֽיַּעֲמֹד֙ רַב־שָׁקֵ֔ה וַיִּקְרָ֥א בְקוֹל־גָּד֖וֹל יְהוּדִ֑ית וַיֹּ֕אמֶר שִׁמְע֗וּ אֶת־דִּבְרֵ֛י הַמֶּ֥לֶךְ הַגָּד֖וֹל מֶ֥לֶךְ אַשּֽׁוּר׃
Then Rab-shakeh stood, and cried with a loud voice in the Jews’language, and said: ‘Hear ye the words of the great king, the king of Assyria.
Read halakhic rulings (Jewish law) on Isaiah 36:13: and classical halakhic sources.