The first thing you have to consider when writing a novel is your story, and then your story - and then your story!
You may well ask why I write. And yet my reasons are quite many. For it is not unusual in human beings who have witnessed the sack of a city or the falling to pieces of a people to set down what they have witnessed for the benefit of unknown heirs or of generations infinitely remote; or, if you please, just to get the sight out of their heads.
No author, I think, is deserving of much censure for vanity if, taking down one of his ten-year-old books, he exclaims: "Great heavens, did I write as well as that then?" for the implication always is that one does not write any longer so well and few are so envious as to censure the complacencies of an extinct volcano.
He wouldn't write a letter because he couldn't without beginning it 'Dear Sylvia' and ending it 'Yours sincerely' or 'truly' or 'affectionately.' He's that sort of precise imbecile. I tell you he's so formal he can't do without all the conventions there are and so truthful he can't use half of them.