In yesterday’s post I mentioned my New Testament class, and that one of the main lessons I’m trying to convey in it is that each of the Gospels has to be read for what *it* has to say. This requires the reader to bracket information that is conveyed in some other Gospel (or that they’ve heard before elsewhere), to see what the meaning of this particular text is.

That shouldn’t be such a hard idea to grasp. If I write a book about Jesus, I don’t expect or want my readers to read my book in ligh...