Have you ever been in this kind of embarrassment: After listening to the class, your notes are full, and you are asked to tell others, but you can't say a complete sentence?
This book talks about the Feynman learning method, but what it really cares about is not "learning skills", but a more realistic question: have you really learned it? Many people's efforts stop at visible actions such as brushing up on lessons, collecting, highlighting, and taking notes, without passing the test of "whether they can explain clearly."
This book starts from the learning dilemma of students, professionals and ordinary people, and explains clearly why "understanding" does not mean "being able to use", why output can expose knowledge loopholes, and why a blank piece of paper can better reveal the true level than a pile of notes. After reading it, you will more clearly judge where you are just familiar and where you really master it, and turn knowledge into the ability to express, judge, and act.
