The importance is getting to something truthful and in that moment can only be in that moment. I don't like to use the word "improvise," but it's a continual writing of the film.
Film writing and concert writing are two very different things. In film writing I am serving the film and it tells you what to write. I have to stay within the parameters of the film. In writing concert music for the stage I can write anything I want and in this day and modern age rules can be broken.
My reason for writing stories is to give myself the satisfaction of visualising more clearly and detailedly and stably the vague, elusive, fragmentary impressions of wonder, beauty, and adventurous expectancy which are conveyed to me by certain sights (scenic, architectural, atmospheric, etc.), ideas, occurrences, and images encountered in art and literature.
But 'why then publish?' There are no rewards Of fame or profit when the world grows weary. I ask in turn why do you play at cards? Why drink? Why read? To make some hour less dreary. It occupies me to turn back regards On what I've seen or pondered, sad or cheery, And what I write I cast upon the stream To swim or sink. I have had at least my dream.
To write without pay until somebody offers pay. If nobody offers pay within three years, the candidate may look upon this circumstance with the most implicit confidence as the sign that sawing wood is what he was intended for.