כָּל־יֹשְׁבֵ֥י תֵבֵ֖ל וְשֹׁ֣כְנֵי אָ֑רֶץ כִּנְשֹׂא־נֵ֤ס הָרִים֙ תִּרְא֔וּ וְכִתְקֹ֥עַ שׁוֹפָ֖ר תִּשְׁמָֽעוּ׃ (ס)
Alle Insassen des Erdenrundes und Bewohner der Erde! wenn das Panier erhoben wird auf den Bergen, werdet ihr es sehen, und wenn man in die Posaunen stößt, werdet ihr es hören.
Rashi on Isaiah
All inhabitants of the world, etc. You need not send messengers for this, for when a standard of the mountains is raised, you shall see the ingathering of the exiles, and when a shofar is sounded you shall hear.
Ibn Ezra on Isaiah
All ye inhabitants of the world. As if a banner were raised over the whole earth.
Ibn Ezra on Isaiah
You shall hear, so as to know the work of the Lord, which He has done in the camp of Sennacherib.