“Time travel was troubling. I did not understand it completely: I only knew that it was possible because I did it all the time without thought, although it could lead to complications. My revered ancestor, after whom Rael’s hill had been named, had spent a long and interesting life travelling backwards and forwards through time, eventually concluding that the human brain could not deal with this process except to start at the beginning, awaiting what followed – the normal way of things.”