וְאָֽמְר֛וּ אַלֻּפֵ֥י יְהוּדָ֖ה בְּלִבָּ֑ם אַמְצָ֥ה לִי֙ יֹשְׁבֵ֣י יְרוּשָׁלִַ֔ם בַּיהוָ֥ה צְבָא֖וֹת אֱלֹהֵיהֶֽם׃
And the chiefs of Judah shall say in their heart: ‘The inhabitants of Jerusalem are my strength Through the LORD of hosts their God.’
Read halakhic rulings (Jewish law) on Zechariah 12:5: and classical halakhic sources.