Leonard Mlodinow

The goal of a life free of dysphoria is a snare and a delusion. A better goal is of good commerce with the world. Authentic happiness, astonishingly, can occur even in the presence of authentic sadness.

I don't really know what it is about vampires that makes them such a powerful symbol, metaphor, whatever in people's consciousness. But I do know they're tremendously powerful. I mean, there's a vampire on 'Sesame Street.' And Count Chocula. I don't know why it's so powerful.