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?

There are two types of sufferers

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?

Which is the most universal human characteristic: fear, or laziness?