He believes it's tragic and superficial to build our careers and personal lives around getting more money, bigger houses, cooler toys, and fancier job titles.What's it all worth in the end? How many outwardly successful people still feel empty inside?Clark has spent decades traveling around the world, interviewing the famous and powerful; consulting with presidents and generals and sheikhs and corporate leaders; creating a multimillion-dollar business; and (before any of the above) overcoming a paralyzing injury