You should have inspected your gear better.
-- Bob Lewis (chapter 1)

Importance: Bob says this to Jazz while explaining why he failed her on the EVA exam. Despite her near perfect score, her suit ruptured due to poor inspection. This demonstrates Jazz's mixture of resourcefulness, intelligence, and recklessness.

Shepard is where the wealthy Artemisians live” (12).
-- Jazz (chapter 1)

Importance: Jazz makes this statement in narration as she expounds upon the social and physical structures of Artemis. This quotation alludes to the fact that the five structural bubbles of Artemis essentially function as social and economically distinct neighborhoods.

He is a good man, your father...It's too bad you had a falling-out.
-- Fidelis Ngugi (chapter 2)

Importance: Ngugi says this to Jazz during the first ever interaction between these characters. Ngugi's words in this quotation are the first direct indication of a falling-out between Jazz and her father, and this fraught father-daughter dynamic soon becomes a central narrative concern.

Are you in trouble?”“No.”“Do...
-- Ammar, Jazz (chapter 3)