Great thinkers don't just harbor doubt. They embrace uncertainty--and how little they really know. The smartest person I've known didn't, on the surface, appear to be that smart. She used qualifiers like "I think." "Seems." "Suggests." "Indicates." When asked for her opinion she could appear unsure, frequently asking for feedback and shifting the conversation to what other people thought. To make perception matters worse, she was quick to change her positions. New facts? New decisions. New situations? New strategies. New agendas? New tactics. She changed her mind -- a lot. In time, I realized those behaviors masked a staggering intellect.…

It's like asking someone if they're a cat person or a dog person – so basic, almost tribal: are you an extrovert or an introvert? Each of these identities has its own strengths and weaknesses, yet it seems there's constant debate about which it is better to be. Some say the internet has a "love affair" with introverts, and that being an introvert is, at long last, cool, particularly during the pandemic. That's likely a reaction to a culture that has long seemed to celebrate and reward extroverts, especially in many Western countries and particularly in the workforce, where they're…