This is the very reason why you were brought to Narnia...

"You are too old, children," said Aslan very gently, "and you must begin to come close to your own world now.""It isn’t Narnia, you know," sobbed Lucy. "It’s you. We shan’t meet you there. And how can we live, never meeting you?""But you shall meet me, dear one," said Aslan."Are--are you there too, Sir?" said Edmund."I am," said Aslan. "But there I have another name. You must learn to know me by that name. This is the very reason why you were brought to Narnia, that by knowing me here for a little, you may know me better there."

The Voyage of The Dawn Treader