הֲל֛וֹא בַּיּ֥וֹם הַה֖וּא נְאֻם־יְהוָ֑ה וְהַאֲבַדְתִּ֤י חֲכָמִים֙ מֵֽאֱד֔וֹם וּתְבוּנָ֖ה מֵהַ֥ר עֵשָֽׂו׃
Shall I not in that day, saith the LORD, Destroy the wise men out of Edom, And discernment out of the mount of Esau?
Read kabbalistic (mystical) interpretation of Obadiah 1:8: and classical mystical sources.