I realized that while these leaders had very specialized skills, experience, and talents that enabled them to effectively (and happily) lead, they had also cultivated their level of mastery in business by learning from setbacks and staying in the game.
Effort is really the key component of the cycle of success, because even if you are inspired, motivated, or determined, you will not succeed if you don't put in the effort. Effort is the last step of the cycle before accomplishment.
To be successful, you need to understand the very vital difference between believing you will succeed, and believing you will succeed easily. It's the difference between being a realistic optimist and an unrealistic optimist.
Here's the problem I see: we can't rely upon raw passion by itself to sustain our efforts over time, because like all emotions, it will come and go. Can passion effectively fuel our desire? Absolutely. Is it sustainable? I don't think so.