"Tama no Mihashira" was an important book, which became a turning point because he had lost his beloved wife Orise in the same year he finished writing the book.
『霊能真柱』は篤胤にとって、ある意味での分岐点になる重要な書物で、この本を書き上げた年に愛妻織瀬を亡くしている。