Susan Cain

"Love is essential, gregariousness is optional."

"I was fueled by the same mix of passion and indignation that I imagine inspired Betty Friedan to publish The Feminine Mystique in 1963. Introverts are to extroverts what women were to men at that time…"

"Our lives are shaped as profoundly by personality as by gender or race. And the single most important aspect of personality … is where we fall on the introvert-extrovert spectrum."

"This is the next great diversity issue of our time."

"We've known about the transcendent power of solitude for centuries; it's only recently that we've forgotten it."

"Most introverts aren’t aware of how they are constantly spending their time in ways that they would prefer not to be. They’ve been doing it all their lives, so it just becomes second nature. I’m tryin…"

"I'm seeing businesses embrace the Quiet Revolution as the next great diversity issue of our time."

"I look back on my years as a Wall Street lawyer as time spent in a foreign country."