Berkshire’s many iconoclastic policies all share the objective of selecting for the best people and businesses and reducing the significant financial and human costs of churn, whether of managers, investors, or shareholders. To Buffett and Munger, there is a compelling, Zen-like logic in choosing to associate with the best and in avoiding unnecessary change. Not only is it a path to exceptional economic returns, it is a more balanced way to lead a life; and among the many lessons they have to teach, the power of these long-term relationships may be the most important.