Who could be happy in a world of podiums and microphones? - Susan Cain

Introverts, in contrast, may have strong social skills and enjoy parties and business meetings, but after a while wish they were home in their pajamas. They prefer to devote their social energies to close friends, colleagues, and family. They listen more than they talk, think before they speak, and often feel as if they express themselves better in writing than in conversation. They tend to dislike conflict. Many have a horror of small talk, but enjoy deep discussions. A few things introverts are not: The word introvert is not a synonym for hermit or misanthrope.

Philosophers call this the “paradox of tragedy,” and they’ve puzzled over it for centuries. Why do we sometimes welcome sorrow, when the rest of the time we’ll do anything to avoid it?

So the next time you see a person with a compose face and a soft voice, remember that inside her mind she might be solving an equation, composing a sonnet, designing a hat. She might, that is, be deploying the powers of quiet.