Men create gods after their own image, not only with regard to their form but with regard to their mode of life. - Aristotle
If you don’t think there is magic in writing, you probably won’t write anything magical. - Terry Brooks
There is no beauty without some strangeness. - Edgar Allan Poe
Creating believable worlds in fantasy or dystopian or what-have-you writing can help sell the reader on an otherwise unbelievable premise.
Presentation from the AspenHouse Writer's Retreat. Leigh Hull discusses the basics on how to create a world that readers will find both realistic and fantastic.
“Being a writer, then, is as much about observation as it is imagination.”