There are only a few people out there who can completely overcome their fears, and they all live in Tibet.
Susan CainThe other thing Aron found about sensitive people is that sometimes they're highly empathic. It's as if they have thinner boundaries separating them from other people's emotions and from the tragedies and cruelties of the world. They tend to have unusually strong consciences. ... they're acutely aware of the consequences of a lapse in their own behavior.
Susan CainI'm continually amazed by how many people who appear to be extroverts are actually introverts.
Susan Cain