I've always taken that as my guiding principle and the rest is just set dressing. You can have dragons in it, or aliens and starships, or a western about a gunslinger, or even literary fiction, and ultimately you're still writing about the human heart in conflict with itself.
George R. R. MartinGo Ahead, call me all the names you want," Sansa said airily. "You won't dare when I'm married to Joffrey. You'll have to bow and call me Your Grace." She shrieked as Arya flung the orange across the table. It caught her in the middle of the forehead with a wet squish and plopped down into her lap. "You have juice on your face, Your Grace ," Arya said.
George R. R. MartinWhen the red star bleeds and the darkness gathers, Azor Ahai shall be born again amidst smoke and salt to wake dragons out of stone.
George R. R. Martin