Right Timing Quotes (page 7)
My advice is this. For Christ's sake, don't write a book that is suitable for a kid of 12 years old, because the kids who read who are 12 years old are reading books for adults. I read all of the James Bond books when I was about 11, which was approximately the right time to read James Bond books.
Terry Prachett
I think there are so many ways to become interested in music. I believe signs of sustained interest gives a sense of the right time. Music, if thought of as a language, would perhaps indicate that as early as possible is not so bad. I do believe that a really nurturing first teacher that makes the child love something is crucial.
Yo-Yo Ma