Whether you are an amateur, entrepreneur, professional or an executive, the notion of failure is both good and necessary.
The importance of failure is to fail often and early. By failing often and early, gives you an opportunity to change things around quickly and gives you an early indicator of how you need to react or re-prioritize. Failure often has a negative connotation association with it. However, if you change your perspective from attaching a negative connotation to it and look at it from an opportunistic viewpoint, you gain tremendous advantage by failing often and early.