Mansfield Park by Jane Austen Chapter 18 Page 17

She was invested, indeed, with the office of judge and critic, and earnestly desired to exercise it and tell them all their faults; but from doing so every feeling within her shrank — she could not, would not, dared not attempt it: had she been otherwise qualified for criticism, her conscience must have restrained her from venturing at disapprobation. She believed herself to feel too much of it in the aggregate for honesty or safety in particulars.

To prompt them must be enough for her; and it was sometimes more than enough; for she could not always pay attention to the book. In watching them she forgot herself; and, agitated by the increasing spirit of Edmund's manner, had once closed the page and turned away exactly as he wanted help. It was imputed to very reasonable weariness, and she was thanked and pitied; but