Screenwriting is always about what people say or do, whereas good writing is about a thought process or an abstract image or an internal monologue, none of which works on screen.
David NichollsThe fact was I loved my wife to a degree that I found impossible to express, and so rarely did.
David NichollsA 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.
David Nicholls