Fantasy is escapism, but wait... Why is this wrong? What are you escaping from, and where are you escaping to? Is the story opening windows or slamming doors? The British author G.K. Chesterton summarized the role of fantasy very well. He said its purpose was to take the everyday, commonplace world and lift it up and turn it around and show it to us from a different perspective, so that once again we see it for the first time and realize how marvelous it is. Fantasy - the ability to envisage the world in many different ways - is one of the skills that make us human.
Terry PratchettSomeone out there was about to find that their worst nightmare was a maddened Librarian. With a badge.
Terry PratchettDwarfs were not a naturally religious species, but in a world where pit props could crack without warning and pockets of fire damp could suddenly explode they'd seen the need for gods as the sort of supernatural equivalent of a hard hat. Besides, when you hit your thumb with an eight-pound hammer it's nice to be able to blaspheme. It takes a very special and strong-minded kind of atheist to jump up and down with their hand clasped under their other armpit and shout, "Oh, random-fluctuations-in-the-space-time-continuum!" or "Aaargh, primitive-and-outmoded-concept on a crutch!
Terry PratchettNight poured over the desert. It came suddenly, in purple. In the clear air, the stars drilled down out of the sky, reminding any thoughtful watcher that it is in the deserts and high places that religions are generated. When men see nothing but bottomless infinity over their heads they have always had a driving and desperate urge to find someone to put in the way.
Terry Pratchett