„For seven blissful years I had spent my time reading, writing and researching a book about introversion. But the publication date had arrived, the idyll was over and my metamorphosis was complete. I was now that impossibly oxymoronic creature: the Public Introvert.“
— Susan Cain
Essay: "An Introvert Steps Out," "Sunday Book Review" section of The New York Times, online April 27, 2012 and in print April 29, 2012.