TheX Rule establishes right levels The Best Motivational Book of All-Time. About This Book. Book preview. TheX Rule will show you how to defi ne the correct It is simply what it saystimes the thoughts andtimes the actions of other people You never do what others do. Selected type: TheX Rule: The Only Difference Between Success and Failure. You must be willing to do what they won’t do—and even —Grant Cardone Introduction You've probably picked up this book and wondered, what exactly is thisX Rule