An adaptation leads the cinema-goer to the original to find out what they're missing and if they already know the book, it can still illuminate a theme, a character, an idea.

You know what i can't understand? You have all these people telling you all the time how great you are, smart and funny and talented and all that, i mean endlessly, i've been telling you for years. So why don't you believe it? why do you think people say that stuff, Em? Do you think it's a conspiracy, people secretly ganging up to be nice about you?

Occasionally, very occasionally, say at four o’clock in the afternoon on a wet Sunday, she feels panic-stricken and almost breathless with loneliness. Once or twice she has been known to pick up the phone to check that it isn’t broken. Sometimes she thinks how nice it would be to be woken by a call in the night: ‘get in a taxi now’ or ‘I need to see you, we need to talk’. But at the best of times she feels like a character in a Muriel Spark novel – independent, bookish, sharp-minded, secretly romantic.

The city had defeated her, just like they said it would. Like some overcrowded party, no one had noticed her arrival, and would notice if she left.

Fear and anxiety are great motivators for me.

No matter how predictable, banal and listless the rest of my life might be, you can guarantee that there'll always be something interesting going on with my skin.

A screenplay is really an instruction manual, and it can be interpreted in any number of ways. The casting, the choice of location, the costumes and make-up, the actors' reading of a line or emphasis of a word, the choice of lens and the pace of the cutting - these are all part of the translation.