출애굽기 25:11의 Musar
וְצִפִּיתָ֤ אֹתוֹ֙ זָהָ֣ב טָה֔וֹר מִבַּ֥יִת וּמִח֖וּץ תְּצַפֶּ֑נּוּ וְעָשִׂ֧יתָ עָלָ֛יו זֵ֥ר זָהָ֖ב סָבִֽיב׃
너는 정금으로 그것을 싸되 그 안팎을 싸고 윗가로 돌아가며 금테를 두르고
Shenei Luchot HaBerit
From the inside and the outside you shall overlay it." This is an allusion to the Torah student whose interior should match his exterior, i.e. he should not pretend to be pious when in truth he is not.
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