Who are You?

I recently heard an author being interviewed. He said that one of his high school teachers claimed that the entirety of Ancient Greek philosophy could be summed up in Socrates' instruction, "Know thyself."So who are you?How would you answer that question? There isn't an easy answer. Am I what I think? What I believe? What I feel? I often find myself mulling poet Walt Whitman's famous lines: Did I contradict myself?Very well then, I contradict myself,(I am large, I contain multitudes.)I think that's probably how most people feel about ourselves, which is why it's impossible to answer the question "Who are you?" We are different people in different situations, often contradicting ourselves. I am one person when I'm at a dinner party and another when I'm being interviewed. I'm not the same person when I'm at work as I am when I'm home alone. Some would say that this apparent multitude is just our singular self being viewed from different angles: that who we are in any given moment is…