Belief. This is not a term to be used lightly. People die every day over this word. When it comes to business, your death may be more of a metaphorical one rather than literal but die you may if you lack belief.
Passion is the first thing that someone needs to be successful. Are you excited about what you are doing? Excited enough that when shit hits the fan, and it will, you can push ahead?
After passion, you need belief. Do you I believe in myself and what I am doing? Belief is important if you want the high level success. I say this because you can win at a certain level without belief. It's just difficult to sustain and impossible to get to the pinnacle of success without it.
This week's New Work Revolution podcast is about belief. If you don't believe in yourself, who will?