Sophia: Do you know what scares me the most?
Michael: No, what?
Sophia: The letting go... of who I used to be. I knew that it would be painful to follow through on Thomas' plan, that in order to make room for our people here, to ensure their survival, I would have to… sacrifice some of my principals.
Michael: Well, you've taken a huge burden on your shoulders, Sophia.
Sophia: But that doesn't make what needs to happen next any easier.