When it was all over, he would have three broken ribs and two broken fingers. He would have a concussion and need twenty-three stitches in total. He didn't feel a thing, except for the ripping in his heart.”
-- Narrator (chapter 1)

Importance: Simon has just had the brutal encounter with Aaron and Paige. People in Central Park attacked Simon after Simon struck Aaron. Simon is indifferent about the physical injuries because his heart breaks over the horror of seeing Paige in this situation.

He has his instructions. He couldn't imagine what the burly guy had done – what any on the list had done – but sometimes the less you knew, the better.”
-- Narrator (chapter 7)

Importance: The “he” in this quote is Ash Davis. He and Dee Dee are killing the men on a list, but Ash does not know what any of these men did to be on the list. Moreover, he does not ask questions at this...