Quite the opposite happened, Carannillion; Tolkien rewrote passages of his books to make them more consistent with his Christian beliefs. In one of his letters, he says: "...and consciously so in the revision." You can read more in this
thread of the same title.
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'Mercy!' cried Gandalf. 'If the giving of information is to be the cure of your inquisitiveness, I shall spend all the rest of my days in answering you. What more do you want to know?' 'The whole history of Middle-earth..
.'