In every generation there is a chosen one. She alone will stand against the vampires the demons and the forces of darkness. She is the slayer.
Joss WhedonIt's a fun thing to do, to put yourself in the service of something if you think you can add an interpretation. It's no different than any other storytelling.
Joss WhedonHe's like Super Librarian, y'know? Everyone forgets, Willow, that knowledge is the ultimate weapon.
Joss Whedon