No buts. Elsa is all that is left of my family. As you said, family is important.”
-- Emmeline (Chapter 18)

Importance: This was said by Emmeline as she was told that she would not be able to see her child ever again after she gave birth to her. Emmeline agrees with them but vows that she will find a way to get back to Elsa.

But you can’t take what is in my head.
-- Mother (Chapter 14)

Importance: This was Mother's response when the authorities came and confiscated all of the books and writing materials from their living space.

“Some things you have to do. The things that are monitored. So get on your board. Start walking.”
-- Mother (Chapter 14)

Importance: This was the advice that Mother gave to Em so that she would survive. She is implying that there are many things that are not monitored. In order to keep those things secret, one must do the things that are...