Yes this book is very impactful. The author Napolien Hill had spent 25 years of his life searching and understanding the law of success and he had put all of his knowledge gathered in all those years in this book very precisely and beautifully. Written in Simple language makes it easy to understand even for layman. There are some very powerfull key ideas to learn from this little book. With real life experiences of people like Henry Ford, Thomas Edison, you will learn a lot from this book.