Susan Cain Quotes about Shyness

Susan Cain (2012). “Quiet: The Power of Introverts in a World That Can't Stop Talking”, p.19, Penguin UK
Though shyness per se was unacceptable, reserve was a mark of good breeding.
Susan Cain (2012). “Quiet: The Power of Introverts in a World That Can't Stop Talking”, p.25, Broadway Books