Everyone wants success in any endeavor but do not have enough self confidence. In reality, every task or matter, first forms in mind and then that things takes physical form later through believe in oneself i.e. Belief.
It is a saying that 'Faith can move mountains'. Some one will take this sentence very negatively. This sentence is full of self motivation. It attracts power to do the things. Swami Vivekananda said that through systematic and right efforts, one can move mountains. So it is matter of choice when to implement this saying and get success.