I think we construct our lives out of the pieces we have, and the only rules to go by are to surround yourself by wonderful people, by smart people, very decent people, and then, as the physicists say, wait for productive collisions to occur. If there are a large number of high energy collisions, then there’s a large subset of productive collisions. So if you put yourself in those environments, things happen. And you take the pieces you have, which have to be the pieces you love. I didn’t go into journalism with the idea that writing would turn out to be tremendously important to me as a scientist. I didn’t go into studying the brain and biology with any idea of where I’d end up. You take the pieces you love, and then you fashion a life out of it, rather than looking for the pieces to fit some particular mold.