וְצִפִּיתָ֤ אֹתוֹ֙ זָהָ֣ב טָה֔וֹר מִבַּ֥יִת וּמִח֖וּץ תְּצַפֶּ֑נּוּ וְעָשִׂ֧יתָ עָלָ֛יו זֵ֥ר זָהָ֖ב סָבִֽיב׃
Lapisilah tabut itu dengan emas murni; bagian dalam dan bagian luarnya harus kaulapisi, dan buatlah di atasnya bingkai emas seperti mahkota di sekelilingnya.
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.