I've just came across interesting reading: The Pmarca Guide to Career Planning in three parts (by Marc Andreessen):
This is very interesting for young professionals who are setting their path and for experienced one as it is very good from motivation stand point.
And interesting quote:
Or, start your own company.
If your startup fails, try another one. If that one fails, get back into a high-growth company to reset your resume and get more skills and experiences. Then start another company. Repeat as necessary until you change the world.
Nothing is easy!!! for sure! It is better to get used to it :)