 So one final question. I was struck by one of your notes at the end of your book about a piece of music that you listen to a lot. It's Max Richter's On the Nature of Daylight, which was part of the score for the film Arrival, which, of course, was all about first contact with an alien intelligence. Why that piece of music? What does that do for you? Well, I think it has to do with deep time and how our ideas of time can maybe change by looking at space a bit more.