You should have faith in yourself or believe !
If you have over confidence then it might end up wrong but less confidence may lead to failure.
Believing yourselfs will make you a believer and everything will everlast in sucess.
Believe means that you have some positive energy that you will achieve what you objected!
Faith is something which is related goodness and which can make us achieve some goals or objectives!
Hence it is .... Believing and faith are same !
Because it may everlast us to some conclusion that is achievement or completion of objected questions.
