"But what, you ask, of earth? Earth, I think, will not be found by anyone to be in the end a very distinct place. I think earth, if chosen instead of Heaven, will turn out to have been, all along, only a region in Hell: and earth, if put second to Heaven, to have been from the beginning a part of Heaven itself."
-- C. S. Lewis, The Great Divorce
What I love best about this (along with G. K. Chesterton) is explained beautifully by Hans Boersma: