unity,
You posted an article or excerpts from a book. You are breaking forum rule #6:
6. No copyrighted articles. If you are going to post an article it must be quoted and the source cited.
In your first post, you will need to provide the source of the article or book that you quoted from by either giving us a link or the name and author of the book.
I suggest you read our forum rules before you make anymore such post.
FORUM RULES