“You could say all you liked about reason and logic and common sense and imagination, but when the chips were down the one skill you needed was the ability to think about absolutely nothing whatsoever.”

“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.”

“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.”

“And Siobhan says people go on holidays to see new things and relax, but it wouldn’t make me relaxed and you can see new things by looking at earth under a microscope or drawing the shape of the solid made when 3 circular rods of equal thickness intersect at right angles. And I think that there are so many things just in one house that it would take years to think about all of them properly. And also, a thing is interesting because of thinking about it and not because of it being new.”

“The word "metaphor" means carrying something from one place to another . . . and it is when you describe something by using a word for something that it isn't. This means that the word "metaphor" is a metaphor.I think it should be called a lie because a pig is not like a day and people do not have skeletons in their cupboards. And when I try and make a picture of the phrase in my head it just confuses me because imagining and apple in someone's eye doesn't have anything to do with liking someone a lot and it makes you forget what the person was talking about.”

“... He had always rather liked emergencies. Other people's at any rate. They put your own problems into perspective. It was like being on a ferry. You didn't have to think about what you had to do or where you had to go for the next few hours. It was all laid out for you.”