Charlie Munger, the visionary vice chairman of Berkshire Hathaway and an indispensable financial partner of Warren Buffett, has consistently outperformed market indices. He believes that every investor can do the same. His concept of "elemental, worldly wisdom" - a set of interdisciplinary mental models that encompasses economics, business, psychology, ethics, and management - allows him to keep his emotions out of his investments and avoid the common pitfalls of poor judgment.