That line struck me as particularly true.
But at the end of the day, that is the only question that we care about.
It is the reason the "what ________ are you" quizzes are so popular on Facebook.
We continually look outside of ourselves for the answer to this question. We ask it of lovers and friends. We assess the evidence by the way strangers treat us in a mall.
Who am I?
We tell stories and read stories and watch movies not to find out who they are, but also to find out who we are.