In a rapidly changing world, it’s important to be able to adapt rather than stubbornly adhere to old ideas and opinions. This was one of the lessons of 2020, a year that forced us to question many of our assumptions about what behaviors are safe, how work and school can be conducted, and how we connect with others. In his new book, “Think Again: The Power of Knowing What You Don’t Know,” organizational psychologist Adam Grant explains why it’s so important for people to be humbler about their knowledge and stay open to learning and changing their minds. The book is filled with fascinating research and guidance on becoming more flexible in our thinking, while helping others to be more open-minded, too. This skill is crucial not only for facing crises like the pandemic, but also for navigating complex social issues, making good business decisions, and more. “In a changing world, …