Musar sobre Zacarias 8:3
כֹּ֚ה אָמַ֣ר יְהוָ֔ה שַׁ֚בְתִּי אֶל־צִיּ֔וֹן וְשָׁכַנְתִּ֖י בְּת֣וֹךְ יְרֽוּשָׁלִָ֑ם וְנִקְרְאָ֤ה יְרוּשָׁלִַ֙ם֙ עִ֣יר־הָֽאֱמֶ֔ת וְהַר־יְהוָ֥ה צְבָא֖וֹת הַ֥ר הַקֹּֽדֶשׁ׃ (ס)
Assim diz o SENHOR: Voltarei para Sião, e habitarei no meio de Jerusalém; e Jerusalém chamar-se-á a cidade da verdade, e o monte do SENHOR dos exércitos o monte santo.
Mesilat Yesharim
And "[I have returned to Zion, and will dwell in the midst of Jerusalem:] and Jerusalem shall be called the City of Truth" (Zecharia 8:3) - to magnify its importance. And our sages of blessed memory said (Makot 24a): "'who speaks truth in his heart' (Tehilim 15:2), like Rav Safra..." To teach you just how far-reaching the obligation of truth extends.
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