Exactly - without vision there is no reason to be passionate. I spend all my free time (and my work time) on CouchDB b/c I see a vision of a programming model w

Exactly - without vision there is no reason to be passionate. I spend all my free time (and my work time) on CouchDB b/c I see a vision of a programming model which is much better than today's web, and I want to make it reality. In this sense, passion may mean that I'm unstoppable, because I'll keep doing it no matter what. But really, it's the power of the vision that drives me.