וְרֹ֤אשׁ אֶפְרַ֙יִם֙ שֹׁמְר֔וֹן וְרֹ֥אשׁ שֹׁמְר֖וֹן בֶּן־רְמַלְיָ֑הוּ אִ֚ם לֹ֣א תַאֲמִ֔ינוּ כִּ֖י לֹ֥א תֵאָמֵֽנוּ׃ (ס)
И глава Ефрема Самария, а глава Самарии Ремалия'сын Если вы не будете иметь веру, вы, несомненно, не будете утверждены.'
Rashi on Isaiah
if you do not believe My prophecy, you, Ahaz, and his people, for I know that you are wicked.
Ibn Ezra on Isaiah
And the head of, etc. As I explained.10In the preceding verse כי was explained to signify Although; this verse is the continuation of it, and וכי ראש═וראש And although the head, etc.
Rashi on Isaiah
it is because you cannot be believed There is no truth in you.