the veil of Isis in Odoyevsky’s “Russian Nights”
The intro to Russian nights mentions an ancient statue of Isis with the writing on it "Nobody has yet seen my face". This is a quotation from Plutarch which could be more accurately rendered "I am all that has been and is and shall be; and no mortal has ever lifted my garment."
Here Odoyevsky finds a parallel in the work of poets and chemis
https://feeldothink.org/2019/12/25/the-veil-of-isis-in-odoyevskys-russian-nights/