Hahaha. This is an utter crock. The most successful people I know are all passionate about what they do. It's why they do it. Yes a given subject may be hard work, but if you _don't_ have the passion to keep you going, and put up with the shit, then you're doomed to failure. If you are passionate, more likely _not to notice the shit_. I have seen a lot more failures of people because they do what they do - 'because' rather than any desire for doing something for it's own sake.