בַּיּ֣וֹם הַה֔וּא יֵאָמֵ֥ר לִירֽוּשָׁלִַ֖ם אַל־תִּירָ֑אִי צִיּ֖וֹן אַל־יִרְפּ֥וּ יָדָֽיִךְ׃
In that day it shall be said to Jerusalem: ‘Fear thou not; O Zion, let not thy hands be slack.
Read midrashic interpretation of Zephaniah 3:16: and classical rabbinic exegesis.