"Spirituality" in business sounds lofty. How practical is it? The answer is "very." There's a fundamental way in which Spirit and consciousness contribute to worldly success-and it has long been ignored. [. . .] As experts, authors and gurus often note, the game of business is to influence the external world. But here's the point: How can you control your environment if you can't even manage your own thoughts and emotions? In other words, how do you rule the world without first mastering yourself? The cornerstone of effective leadership is self-mastery.