There are very few people with the unique experience, and vision to see the big picture and brave enough to call it as they see it. Well Seth Godin makes a point of espousing the idea that if you don’t stretch beyond your comfort zone you’re risking more than failure. Besides, we learn by failing (or should) all the time. If we always do something we know we can do – we’ll never grow.
Godin has published a number of successful books – after the the first one generated 900 rejections from publishers. There’s a lesson for all of us there – pick yourself up, figure out what you did wrong and do it again. Repeat as necessary.