Coaching is a long, intimate conversation, a series of signals and responses that move toward a shared goal. A coach's true skill consists not in some universally applicable wisdom that he can communicate to all, but rather in the supple ability to locate the sweet spot on the edge of each individual student's ability, and to send the right signals to help the student reach toward the right goal, over and over. As with any complex skill, it's really a combination of several different qualities—what I have called “the four virtues.”
