"Think Again is a must-read for anyone who wants to create a culture of learning and exploration, whether at home, at work, or at school... In an increasingly divided world, the lessons in this book are more important than ever." --Bill and Melinda GatesThe bestselling author of Give and Take and Originals examines the critical art of rethinking: learning to question your opinions and open other people's minds, which can position you for excellence at work and wisdom in lifeI