From Father Abraham to John the Revelator, from the first century church to this moment, the people of God have always seen themselves as pilgrims — never settlers. "This world is not my home, I'm just a passing through" is more than a line from an old song. This sojourner's theme has been told to children in stories, sent in letters of encouragement to friends, preached from pulpits and whispered behind the closed doors of the underground church in times of persecution. But mostly, it's been su...