Think Again: The Power of Knowing What You Don't Know

by Adam M. Grant

No matter how much brainpower you have, if you lack the motivation to change your mind, you’ll miss many occasions to think again.

Thinking like a scientist involves more than just reacting with an open mind. It means being actively open-minded. It requires searching for reasons why we might be wrong—not for reasons why we must be right—and revising our views based on what we learn.

You can be confident in your ability to achieve a goal in the future while maintaining the humility to question whether you have the right tools in the present.

What we want to attain is confident humility: having faith in our capability while appreciating that we may not have the right solution or even be addressing the right problem. That gives us enough doubt to reexamine our old knowledge and enough confidence to pursue new insights.

In high school, students who admit when they don’t know something are rated by teachers as learning more effectively and by peers as contributing more to their teams.

Arrogance leaves us blind to our weaknesses. Humility is a reflective lens: it helps us see them clearly. Confident humility is a corrective lens: it enables us to overcome those weaknesses.

In a classic paper, sociologist Murray Davis argued that when ideas survive, it’s not because they’re true—it’s because they’re interesting. What makes an idea interesting is that it challenges our weakly held opinions. Did you know that the moon might originally have formed inside a vaporous Earth out of magma rain? That a narwhal’s tusk is actually a tooth? When an idea or assumption doesn’t matter deeply to us, we’re often excited to question it. The natural sequence of emotions is surprise (“Really?”) followed by curiosity (“Tell me more!”) and thrill (“Whoa!”). To paraphrase a line attributed to Isaac Asimov, great discoveries often begin not with “Eureka!” but with “That’s funny . . .”