Here’s an excerpt from Peter Leithart’s thoughtful article called “Out of the Cave”:
Writing a book is like groping through a cave that no one else has explored or ever will, because you create the cave as you go. When it’s all done I can’t remember how I got through all the tunnels to emerge, blinking, into the sun. Once the book is published, readers will (I hope) be able to follow my simplified map. What they won’t see are all the blind alleys I tried out along the way.