Sometimes speakers need to talk about subjects that don't interest them much, especially at work. I believe this is harder for introverts, who have t… - Susan Cain

It makes sense that so many introverts hide even from themselves. We live with a value system that I call the Extrovert Ideal — the omnipresent belief that the ideal self is gregarious, alpha, and comfortable in the spotlight. The archetypal extrovert prefers action to contemplation, risk-taking to heed-taking, certainty to doubt. He favors quick decisions, even at the risk of being wrong. She works well in teams and socializes in groups. We like to think that we value individuality, but all too often we admire one type of individual — the kind who’s comfortable “putting himself out there.

To ask whether it's nature or nurture, says Kagan, is like asking whether a blizzard is caused by temperature or humidity. It's the intricate interaction between the two that makes us who we are.

The secret to life is to put yourself in the right lighting. For some, it's a Broadway spotlight; for others, a lamplit desk. Use your natural powers — of persistence, concentration, and insight — to do work you love and work that matters. Solve problems. make art, think deeply.