Confidence...

There are situations in life where we need to  prove what we can do. Not only for other but also for ourselves. It is difficult to overcome those kind of situations as we need to put in extra effort in order to prove that we can do the job. In order ot do that you need that little thing called confidence… I can define it as an inner force that pushes us to act in a specific way in order to accomplish a task. It inspires us and makes us look at ourselves differently (in a good way of course)

http://coachchrisfore.wordpress.com/2012/05/06/the-importance-of-self-confidence-in-athletics-part-2/

Confidence permits you to use your voice; it is that simple characteristic that can differentiate you from somebody else. It is pleasant to see whem someone knows what he/she is talking about. It actually make the audience interested; they want to know more. In everything that you do it is important to be confident; but don’t overdo it as people might get the wrong idea. You just need to find the right balance to get your message across and be heard.

http://itsaboutyoursuccess.com/network-marketing/building-mlm-business-confidence/