"Yes; at dead of night, when all the house was silent, and starlight and the cold reflection from the snow glimmered in our chamber, then I saw Shirley's heart."
"Her heart's core? Do you think she showed you that?"
"Her heart's core."

At dead of night, when all the house was silent, and starlight and the cold reflection from the snow glimmered in our chamber, then I saw Shirley's heart - her heart's core. 