But I will find new habits, new thoughts, new rules. I will become something else.

What's your name?
Um...
Think about it. You don't get to pick again.
Tris.

If you are really one of us, it won't matter to you that you might fail. And if it does, you are a coward.

You chose us. Now we have to choose you.

Any idiot can stand in front of a target. It doesn't prove anything except that you're bullying him. Which, as I recall, is a sign of cowardice.

Becoming fearless isn't the point. That's impossible. It's learning how to control your fear, and how to be free from it.