I can’t,’ he said. ‘Bad has filled every part of me. There ain’t room for nothing else.
-- Rhodes (The Burned Man)

Importance: When Elise asks Rhodes to come home, he tells her at first that he cannot because he believes that he is completely bad. It is only later when Elise calls him and tells him that she will marry him that he agrees to give their relationship another chance.

Damn,’ I said, thinking that this had to have been done by one of my homeless guys. By someone I knew.
-- Parnell (Chapter 2)

Importance: When Parnell sees the hobo symbols in the room where Elise was killed, she thinks that it must have been one of the transients, probably one whom she knew, who killed Elise. Parnell cannot imagine why one of those people would have wanted to kill Elise when she was so kind to them.

Tucker Rhodes. The Burned Man. Had to be. What...
-- Narrator (Chapter 3)