...he developed an unwholesome, because entirely one-sided, passion...
-- Narration (chapter 1)

Importance: Much of the novel's story is based around Quichotte's romantic infatuation with Salma, and yet when the novel introduces this dynamic, it does so by critiquing it. However, Quchiotte's quest is sometimes portrayed as romantic and idealistic. The novel thereby establishes the narrative dynamic in which it both celebrates and critiques the actions of its characters, especially the character of Quichotte.

…the tale and the teller were yoked together by race, place, generation, and circumstance.
-- Narration (chapter 2)

Importance: The novel states that Brother is the author of the Quichotte narrative, and that Brother and Quichotte have some similarities in terms of identity and person background. In this way, the narrative establishes its ongoing examination of the dynamics between story and storyteller. There are frequent dynamics of interdependence between brother's life and the book he is writing.

Her brother who treated her as if she were...
-- Narration (chapter 4)