That's... [He shakes his head.] It's just saying that...our choices lead us to where we are. But, if we'd made different ones, then...we very easily could be someone else entirely. Maybe even someone you wouldn't recognize. [A beat.] Like the versions of us everyone in the dream Wonderland knew. [Although, he's less certain about those differences being due to choices and more to being Wonderland-related, but he'll digress for the sake of the explanation, anyway.]