The Mysteries of Udolpho by Ann Radcliffe — Read

Unnatural deeds / Do breed unnatural troubles: infected minds / To their deaf pillows will discharge their secrets. / More needs she the divine, than the physician. / - Macbeth

On the following evening, the view of the convent towers, rising among the shadowy woods, reminded Emily of the nun, whose condition had so much affected her; and, anxious to know how she was, as well as to see some of her former friends, she and the Lady Blanche extended their walk to the monastery. At the gate stood a carriage, which, from the heat of the horses, appeared to have just arrived; but a more than common stillness pervaded the court and the cloisters, through which Emily and Blanche passed in their way to the great hall, where a nun, who was crossing to the staircase, replied to the enquiries of the former, that sister Agnes was still living, and sensible, but that it was thought she could not survive the night. In the parlour, they found several of the boarders, who rejoiced to see Emily, and told her many little circumstances that had happened in the convent since her departure, and which were interesting to her only because they related to persons, whom she had regarded with affection. While they thus conversed the abbess entered the room, and expressed much satisfaction at seeing Emily, but her manner was unusually solemn, and her countenance dejected. "Our house," said she, after the first salutations were over, "is truly a house of mourning -- a daughter is now paying the debt of nature.