“In hindsight, these observations are obvious. If life-transforming missions could be found with just a little navel-gazing and an optimistic attitude, changing the world would be commonplace. But it’s not commonplace; it’s instead quite rare. This rareness, we now understand, is because these breakthroughs require that you first get to the cutting edge, and this is hard—the type of hardness that most of us try to avoid in our working lives. The”