So now we all know," says Four, quietly, "that you are afraid of a short, skinny girl from Abnegation." His mouth curls into a smile.

My father says that those who want power and get it live in terror of losing it. That's why we have to give power to those who do not want it.

I catch myself thinking 'Thank God For This' out of habit, and then I understand what he's so concerned about. What if my parents' God, their whole belief system, is just something concocted by a bunch of scientists to keep us under control? And not just their beliefs about God and whatever else is out there, about right and wrong, about selfishness?

The battle we are fighting is not against a particular group. It is against human nature - or at least what it has become.

My name will be Edith Proir," she says. "And there is much I am happy to forget.

Fear," she says, "is more powerful than pain.

There are so many ways to be brave in this world. Sometimes it involves giving up everything you have ever known, or everyone you have ever loved for the sake of something greater.