“Even when surrounded by many others, your journey is solitary, for the life you are to choose is your life, not someone else’s. Alone, we nonetheless move amid a community of other solitudes; alone, our world is peopled with many companions, both within and without. Thus, this paradox stands before each of us, and challenges: We “must be alone if [we] are to find out what it is that supports [us] when we can no longer support [ourselves].”