The book, "The Magic of Thinking Big" was first published in 1959 and written by David J. Schwartz. Since then, the book has sold over 4 million copies and is a step by step guide to reach goals by thinking differently, changing perspectives and habits.
David says that the thing holding people back is the relative smallness of their thoughts and explains the importance of thinking positively. According to the book, you don't have to be smarter, more educated or better connected than your opposition. You just have to expect more and see what can be, not how the world presents itself.
This book has three goal and that is for the reader to make better decisions, avoid negative thoughts and stop procrastinating.