Lois Mcmaster Bujold said this quote
“ The book is not an object on the table; it is an event in the reader's mind. It's a process, through which an idea in my mind triggers an idea, more-or-less corresponding, in yours. The words on the page are merely the means to that end, a think-by-numbers set, a bottled daydream. The book, therefore, is only finished when someone reads it. - Sidelines ”