The Sod Yesharim concludes, from the Torah’s instruction to Aharon, that only accompanied by the Shekhina can the Kohen Gadol safely enter the Holy of Holies. The question becomes, in practice, what does this mean? What is this asking of the Kohen Gadol. And, furthermore, what is this asking of us, who now (without a Temple) must function as our own Kohen Gadol. (Source texts can be downloaded from the PDF button on the upper right  of the screen.)
Thumbnail image by Karin Foreman: https://karinforeman.com/