What are these barriers that keep people from reaching anywhere near their real potential? The answer to that can be found in another question and that's this: Which is the most universal human characteristic: fear, or laziness?
I think fear.
Both? Cop out answer but one most likely will lead to another, 'negative' emotions do fit into a human self molded pattern that we are pretty sure the more one grows the other will follow
One of the antonym of fear is calmness which too much turns into laziness
Too much laziness turns into the fear of not achieving therefor not even trying.
To be brave is to do the opposite of both most of the time to be brave enough is to not act and to act when appropriate. but each case is a case.
Is fear and laziness the only barrier?
>>29424458
too follow my thought, maybe Time is the barrier? too much time you are scared to fuck up and get lazy since you will do it later, not enough, and both are thrown out the window.