The seven rules to follow to realize your true purpose in life-distilled by Arnold Schwarzenegger from his own journey of ceaseless reinvention and extraordinary achievement, and available for absolutely anyone. The world's greatest bodybuilder. The world's highest paid movie star. The leader of the world's sixth largest economy. That these are the same person sounds like the setup to a joke. But this is no joke. This is Arnold Schwarzenegger. And this did not happen by accident. Arnold's stratospheric success happened as part of a process. As the result of clear vision, big thinking, hard work, direct communication, resilient problem-solving, open-minded curiosity, and a commitment to giving back. All of it guided by the one lesson Arnold's father hammered into him above all: be useful. As Arnold conquered every realm he entered, he kept his father's adage close to his heart.