Actually, once one proves herself with some success it becomes easier to dare to focus on harder ideas. I see the signs of that at PG or Google's Larry Page and

Actually, once one proves herself with some success it becomes easier to dare to focus on harder ideas. I see the signs of that at PG or Google's Larry Page and Sergey Brin. Once having tasted success, they feel anything is doable and possible. For the majority of start-up entrepreneurs, just succeeding the first time is the hard problem and requires ambition.