"Well, that does make sense if you think about it. We wanted it to make something, now it knows how to make it, it can make it as often as we want." Arthur thinks hard (this may be more thinking than he's done since the last round of Mornington Crescent).

"It's like... It's like when you learn how to play with a yo-yo. Once you've learnt the fiddly bit you can do it over and over again."