“Prime numbers are useful for writing codes and in America they are classed as Military Material and if you find one over 100 digits you have to tell the CIA and they buy it off you for $10,000. But it would not be a very good way of making a living.”

“The rule for working out prime numbers is very simple, but no one has ever worked out a simple formula for telling you whether a very big number is a prime number or what the next one will be. […] Prime numbers is what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.”

“Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.”

“I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them”

“Siobhan said that when you are writing a book you have to include some descriptions of things. I said that I could take photographs and put them in the book. But she said the idea of a book was to describe things using words so that people could read them and make a picture in their own head.”

“But in life you have to take lots of decisions and if you don't take decisions you would never do anything because you would spend all your time choosing between things you could do. So it is good to have a reason why you hate some things and you like others.”

“I did know what it meant when you say you promise something. You have to say that you will never do something again and then you must never do it because that would make the promise a lie.”