1. A classic is a book which with each rereading offers as much of a sense of discovery as the first reading.
2. A classic is a book which even when we read it for the first time gives the sense of rereading something we have read before.
3. Classics are books which, the more we think we know them through hearsay, the more original, unexpected, and innovative we find them when we actually read them.
Homer and Twain get the CI treatment.