כֹּֽה־אָמַר֮ יְהוָ֣ה צְבָאוֹת֒ תֶּחֱזַ֣קְנָה יְדֵיכֶ֔ם הַשֹּֽׁמְעִים֙ בַּיָּמִ֣ים הָאֵ֔לֶּה אֵ֖ת הַדְּבָרִ֣ים הָאֵ֑לֶּה מִפִּי֙ הַנְּבִיאִ֔ים אֲ֠שֶׁר בְּי֞וֹם יֻסַּ֨ד בֵּית־יְהוָ֧ה צְבָא֛וֹת הַהֵיכָ֖ל לְהִבָּנֽוֹת׃
Thus saith the LORD of hosts: Let your hands be strong, ye that hear in these days these words from the mouth of the prophets that were in the day that the foundation of the house of the LORD of hosts was laid, even the temple, that it might be built.
Find Talmudic references to Zechariah 8:9: , passages from the Talmud Bavli and Yerushalmi.