"Good story is what horror is all about. That's what I searched the world for, what I try to do."
"Good story could be as short as a poem or something, or as long as a novel. There's no rules."
This is what makes him a master. He has a clear focus on the core storytelling component of film, and no preconceived notions as to what makes a good story. It's a lot easier to find that revolutionary story if you're not preoccupied in a search for some notion of what a story is supposed to be.