No one wants to know how clever you are. They don't want an insight into your mind, thrilling as it might be. They want an insight into their own.

Lots of things are mysteries. But that doesn't mean there isn't an answer to them. It's just that scientists haven't found the answer yet.

It exasperated her sometimes. The way men could be so sure of themselves. They put words together like sheds or shelves and you could stand on them they were so solid. And those feelings which overwhelmed you in the small hours turned to smoke.

I better make the plot good. I wanted to make it grip people on the first page and have a big turning point in the middle, as there is, and construct the whole thing like a bit of a roller coaster ride...

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.

Most of my work consisted of crossing out. Crossing out was the secret of all good writing.

...and I wrote a book and that means I can do anything