בַּיּ֣וֹם הַה֗וּא יִֽהְיֶה֙ צֶ֣מַח יְהוָ֔ה לִצְבִ֖י וּלְכָב֑וֹד וּפְרִ֤י הָאָ֙רֶץ֙ לְגָא֣וֹן וּלְתִפְאֶ֔רֶת לִפְלֵיטַ֖ת יִשְׂרָאֵֽל׃
In that day shall the growth of the LORD be beautiful and glorious, And the fruit of the land excellent and comely For them that are escaped of Israel.
Read halakhic rulings (Jewish law) on Isaiah 4:2: and classical halakhic sources.