כִּ֥י כָלָ֖ה וְנֶחֱרָצָ֑ה אֲדֹנָ֤י יְהוִה֙ צְבָא֔וֹת עֹשֶׂ֖ה בְּקֶ֥רֶב כָּל־הָאָֽרֶץ׃ (ס)
For an extermination wholly determined Shall the Lord, the GOD of hosts, make in the midst of all the earth.
Read midrashic interpretation of Isaiah 10:23: and classical rabbinic exegesis.