How to overcome the cognitive barriers?

What is cognitive impairment, popular point speaking, each of us are in a well, a little big well, some small point. The wellhead determines our perception of the sky. This well is our obstacle.
Right and wrong, we can not own objective judgment, all from the outside world.
Copernicus said that the Earth was not the center of the universe, but most people could not see it, but this was not the focus, but on who decided on the development of things.
For the speculative market, you do not try to convince anyone, if your judgment, with the trend of the market, you are the winner, on the vice versa, cannon ash.
The market is always ruthless, and the bulls and bears are not completely opposite to the two people. Most people form synergy, or most funds form synergy, and ultimately determine the direction of the market.
As trend deals, all we have to do is follow discipline, that is, cognitive barriers are like the greedy fear of human nature, and you can't get rid