אוֹקִ֥יר אֱנ֖וֹשׁ מִפָּ֑ז וְאָדָ֖ם מִכֶּ֥תֶם אוֹפִֽיר׃
I will make man more rare than fine gold, Even man than the pure gold of Ophir.
Read Midrashic interpretations of Isaiah 13:12: rabbinic exegesis from Bereshit Rabbah, Shemot Rabbah and classical Midrash sources, free.