“If I find within myself a desire nothing in this world can satisfy, the most probable explanation is that I was made for another world.” (C.S. Lewis, Mere Christianity)
“It was as hard to explain how this sunlit land was different from the old Narnia as it would be to tell you how the fruits of that country taste. Perhaps you will get some idea of it if you think like this. You may have been in a room in which there was a window that looked out on a lovely bay of the sea or a green valley that wound away through mountains. And in the wall of that room opposite to the window there may have been a looking-glass. And as you turned away from the window you suddenly caught sight of that sea or that valley, all over again, in the looking-glass. And the sea in the mirror, or the valley in the mirror, were in one sense just the same as the real ones; yet at the same time they were somehow different — deeper, more wonderful, more like the places in a story: in a story you have never heard but very much want to know. The difference between the old Narnia and the new Narnia was like that. The new one was a deeper country: every rock and flower and blade of grass looked as if it meant more. I can’t describe it any better than that: if you ever get there you will know what I mean.
It was the Unicorn who summed up what everyone was feeling. He stamped his right fore-hoof on the ground and neighed, and then cried:
“I have come home at last! This is my real country! I belong here. This is the land I have been looking for all my life, though I never knew it till now. The reason why we loved the old Narnia is that it sometimes looked a little like this. Bree-hee-hee! Come further up, come further in!” (C.S. Lewis, The Last Battle)
“… These all died in faith, not having received the things promised, but having seen them and greeted them from afar, and having acknowledged that they were strangers and exiles on the earth. For people who speak thus make it clear that they are seeking a homeland. If they had been thinking of that land from which they had gone out, they would have had opportunity to return. But as it is, they desire a better country, that is, a heavenly one…” (Heb. 11:1-2, 13-16)