There was the door to Harl’s office, with a slight layer of dust around it. Ford knew that this dust consisted of billions of tiny molecular robots that had crawled out of the woodwork, built one another, rebuilt the door, disassembled one another and then crept back into the woodwork again and just waited for damage. Ford wondered what kind of life that was, but not for long because he was a lot more concerned about what his own life was like at that moment. He took a deep breath and started his run.