Why does hawhthorne refer to the reflection in the brook as often as he does?

Hawthorne frequently refers to the reflection in the brook to symbolize self-examination and the interplay between reality and perception. The brook serves as a mirror, revealing the characters' true selves and their inner conflicts. This motif underscores themes of identity and the search for truth, illustrating how individuals confront their own natures and the illusions they live by. Ultimately, the reflections in the brook prompt deeper introspection and highlight the complexities of human experience.