Knowledge is power.
Hanuman is a very strong personality and he has the capability of crossing over the ocean. But he never had the confidence and he is sitting silent. Then his colleagues encouraged and motivated him and then he got motivated and did well. He could see SIta and inform her whereabouts to Rama.
Some people will be having overconfidence and they never do the required homework and they may fail in their attempts. The correct dose of confidence is always good for being successful.
Self confidence will show in our gait and behaviour and will impress others while interacting. It will enable to repose trust and responsibility to us.
Not having sel confidence is like losing the war without even attempting to battle.
But self confidence does not come easily. It needs to be built by cultivating and self teaching. To know well about our task and prepare for facing it will give us self confidence. More the exerience in something, the more the self-confidence. Many times even when near the verge of defeat , we can recover and win if we have real self confidence in us.
Thoughts exchanged is knowledge gained.