There ain't no haints in Detroit.
-- Francis Turner (Prologue - Trouble In The Big Room paragraph 14)

Importance: This statement is correct by all that Francis has experienced because when Francis moves to Detroit, the haint he has seen for years vanishes. He isn't clear as to why that happens, but doesn't tell his oldest son the basis for his knowledge on the subject - he merely asserts they don't exist there.

You can't threaten to fire me.
-- Lelah Turner (1 - Swelling Bellies And Wedding Tulle paragraph 61)

Importance: Lelah tells her daughter Brianne that despite her unreliability where looking after her grandson Bobby is concerned, they are family and she can't fire her or get rid of her foreshadowing that she will do exactly that before too long.

Excuse me, miss, no one is in jail.
-- Charles Turner (2 - Almost A Quorum paragraph 9)

Importance: Charles is asked by his job appointed psychologist how many of his siblings were incarcerated, speaking to a stereotype that Charles is understandably offended by. No member of their family had ever been in jail and...