This book didn't impress me, there where some good ideas which have to be remembered but I think a lot of the content was a source of inspiration for the authors in the NLP field, that's why I didn't read new things in this book. He says you have to read it again and again, you have to underline the important phrases but who has all this time? I read this book of more than 300 pages and, when a book it's awesome, let's face it, you figure our after 70 pages.
"Life is a chess table and your opponent is the Time " .