“Scientific breakthroughs, as we just learned, require that you first get to the cutting edge of your field. Only then can you see the adjacent possible beyond, the space where innovative ideas are almost always discovered. Here’s the leap I made as I pondered Pardis Sabeti around the same time I was pondering Johnson’s theory of innovation: A good career mission is similar to a scientific breakthrough—it’s an innovation waiting to be discovered in the adjacent possible of your field. If you want to identify a mission for your working life, therefore, you must first get to the cutting edge—the only place where these missions become visible.”