"And now, indeed, I began to think that in my old association of her with the stained-glass window in the church, a prophetic foreshadowing of what she would be to me, in the calamity that was to happen in the fullness of time, had found a way into my mind."
Stained-glass Window
Creative Commons Attribution - Credit: Steven Bennett
Stained-glass windows usually depict saints, and thus this description would seem to equate Agnes with sainthood. One is reminded also of Saint Agnes, a virgin martyr and saint of the Roman Catholic Church.