It's always shambler season in Dixie.”
-- Jane (chapter 2)

Importance: Jane is thinking about the situation, which is how the author relates what has happened to bring the characters to this point. The situation includes that shamblers basically become dormant in the extreme cold, which is why there are more shamblers in the southern United States.

Sometimes you have to live down to people's expectations, Kate. If you can do that, you'll get much further in life.”
-- Jane (chapter 5)

Importance: Jane is defending the way she acted when two officers confronted her and Katherine at the entrance to the college lecture hall. She acted as if she was a brainless, uneducated servant who was terrified when she saw something she believed to be a shambler. Jane uses this method again later, when she and Kate are shipped to Summerland where they are confronted with a group of brutal, self-serving people.

But the penny in the hollow of...
-- Jane (chapter 9)