In other words, introverts are capable of acting like extroverts for the sake of work they consider important, people they love, or anything they val… - Susan Cain

"If you're an introvert, you also know that the bias against quiet can cause deep psychic pain. As a child you might have overheard your parents apologize for your shyness. Or at school you might have been prodded to come "out of your shell" -that noxious expression which fails to appreciate that some animals naturally carry shelter everywhere they go, and some humans are just the same."

We don’t ask why God chose as his prophet a stutterer with a public speaking phobia. But we should. The book of Exodus is short on explication, but its stories suggest that introversion plays yin to the yang of extroversion; that the medium is not always the message; and that people followed Moses because his words were thoughtful, not because he spoke them well.

Shyness is the fear of social disapproval or humiliation, while introversion is a preference for environments that are not overstimulating. Shyness is inherently painful; introversion is not.