Being humble about what you know is just one part of what makes you a good thinker

asked, “If you could pick one trait that would predict how someone would turn out, what would it be?” “That’s easy,” he said. “How willing they are to change their mind about what they think they know.” The most valuable people, he continued, weren’t the ones with the best initial ideas, but the ones with the ability to quickly change their minds.

ON MEN OF LEARNING.