If you believe in something enough, you will risk your very reputation to hit the mark, accomplish a goal and achieve success. You may believe your idea is worth a million dollars or possibly believe that "everyone" is out to get you. Your may believe that you can sell 10 million widgets... though you have not yet sold even one.
The truth is out there and you want to believe...
But first, human beings typically learn what to do next by following the crowd.