---
product_id: 595361687
title: "Think Again: The Power of Knowing What You Don't Know"
price: "฿1625"
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---

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

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Review: Adam Grant's best book yet for business leaders - There are two powerful reasons to read this book. One: You’ll learn a lot. Two: This book will be mentioned in articles and discussions. It will make the short list of books every manager should read. I bought Think Again: The Power of Knowing What You Don’t Know by Adam Grant because I’ve learned a lot from his books, blogs, and articles. I expected the same level of lucid writing and penetrating insight that I got from Originals and Give and Take. For me, this was the best book yet. Think Again is the best book Grant has written for business leaders. That VUCA world we keep hearing about requires flexibility and unlearning. Most of the books I’ve seen on the kind of learning you need for today’s world focus on corporate cultures, on creating “learning institutions.” Think Again is different. Think Again is about the learning culture between your ears. Here’s how Grant states the purpose of the book. “This book is an invitation to let go of knowledge and opinions that are no longer serving you well, and to anchor your sense of self in flexibility rather than consistency. If you can master the art of rethinking, I believe you’ll be better positioned for success at work and happiness in life. Thinking again can help you generate new solutions to old problems and revisit old solutions to new problems. It’s a path to learning more from the people around you and living with fewer regrets. A hallmark of wisdom is knowing when it’s time to abandon some of your most treasured tools—and some of the most cherished parts of your identity.” The first section of the book is about opening your mind. It’s about what “thinking again” really means. The second part of the book looks at ways to encourage others to think again or to think along with you. The third section is about creating communities of lifelong learners. A key to getting the most from this book is the different mindsets that Philip Tetlock discovered. Here’s Grant’s brief description from Think Again. “Two decades ago my colleague Phil Tetlock discovered something peculiar. As we think and talk, we often slip into the mindsets of three different professions: preachers, prosecutors, and politicians. In each of these modes, we take on a particular identity and use a distinct set of tools. We go into preacher mode when our sacred beliefs are in jeopardy: we deliver sermons to protect and promote our ideals. We enter prosecutor mode when we recognize flaws in other people’s reasoning: we marshal arguments to prove them wrong and win our case. We shift into politician mode when we’re seeking to win over an audience: we campaign and lobby for the approval of our constituents. The risk is that we become so wrapped up in preaching that we’re right, prosecuting others who are wrong, and politicking for support that we don’t bother to rethink our own views.” Grant uses Tetlock’s terms for the different mindsets. I found digging around on the web and in the scholarly literature for more on the mindsets helped me squeeze even more value from this book. This is not a book where you can skip around and get much value. The description of thinking in the first section sets up later lessons and insights. The second section builds on the first and applies the lessons to debate and persuasion. The third section builds on the first two. It extends the basic mindset idea to groups. Suggestion. As a warmup for Think Again, take a minute to read a Farnam Street blog post: "Jeff Bezos on Why People that Are Often Right Change Their Minds Often." In A Nutshell Think Again is an excellent book that will give you techniques you can use to think more effectively at work and everywhere else. You’ll get more from the book if you do a little bit of homework. Learn about Tetlock’s mindsets and the general idea of changing your mind as a way of thinking.
Review: For leaders and the rest of us - ​Adam Grant argues that in a world that’s changing faster than ever, the most important skill isn't intelligence—it’s rethinking. It’s a masterclass on how to stay open-minded, let go of "best practices" that no longer work, and embrace the joy of being wrong.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | #970 in Books ( See Top 100 in Books ) #5 in Motivational Management & Leadership #5 in Business Motivation & Self-Improvement (Books) #26 in Personal Transformation Self-Help |
| Customer Reviews | 4.6 4.6 out of 5 stars (17,620) |
| Dimensions  | 5.43 x 0.63 x 8.41 inches |
| ISBN-10  | 1984878123 |
| ISBN-13  | 978-1984878120 |
| Item Weight  | 2.31 pounds |
| Language  | English |
| Print length  | 320 pages |
| Publication date  | December 26, 2023 |
| Publisher  | Penguin Books |

## Images

![Think Again: The Power of Knowing What You Don't Know - Image 1](https://m.media-amazon.com/images/I/71gPMLxmwuL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Adam Grant's best book yet for business leaders
*by W***K on April 17, 2021*

There are two powerful reasons to read this book. One: You’ll learn a lot. Two: This book will be mentioned in articles and discussions. It will make the short list of books every manager should read. I bought Think Again: The Power of Knowing What You Don’t Know by Adam Grant because I’ve learned a lot from his books, blogs, and articles. I expected the same level of lucid writing and penetrating insight that I got from Originals and Give and Take. For me, this was the best book yet. Think Again is the best book Grant has written for business leaders. That VUCA world we keep hearing about requires flexibility and unlearning. Most of the books I’ve seen on the kind of learning you need for today’s world focus on corporate cultures, on creating “learning institutions.” Think Again is different. Think Again is about the learning culture between your ears. Here’s how Grant states the purpose of the book. “This book is an invitation to let go of knowledge and opinions that are no longer serving you well, and to anchor your sense of self in flexibility rather than consistency. If you can master the art of rethinking, I believe you’ll be better positioned for success at work and happiness in life. Thinking again can help you generate new solutions to old problems and revisit old solutions to new problems. It’s a path to learning more from the people around you and living with fewer regrets. A hallmark of wisdom is knowing when it’s time to abandon some of your most treasured tools—and some of the most cherished parts of your identity.” The first section of the book is about opening your mind. It’s about what “thinking again” really means. The second part of the book looks at ways to encourage others to think again or to think along with you. The third section is about creating communities of lifelong learners. A key to getting the most from this book is the different mindsets that Philip Tetlock discovered. Here’s Grant’s brief description from Think Again. “Two decades ago my colleague Phil Tetlock discovered something peculiar. As we think and talk, we often slip into the mindsets of three different professions: preachers, prosecutors, and politicians. In each of these modes, we take on a particular identity and use a distinct set of tools. We go into preacher mode when our sacred beliefs are in jeopardy: we deliver sermons to protect and promote our ideals. We enter prosecutor mode when we recognize flaws in other people’s reasoning: we marshal arguments to prove them wrong and win our case. We shift into politician mode when we’re seeking to win over an audience: we campaign and lobby for the approval of our constituents. The risk is that we become so wrapped up in preaching that we’re right, prosecuting others who are wrong, and politicking for support that we don’t bother to rethink our own views.” Grant uses Tetlock’s terms for the different mindsets. I found digging around on the web and in the scholarly literature for more on the mindsets helped me squeeze even more value from this book. This is not a book where you can skip around and get much value. The description of thinking in the first section sets up later lessons and insights. The second section builds on the first and applies the lessons to debate and persuasion. The third section builds on the first two. It extends the basic mindset idea to groups. Suggestion. As a warmup for Think Again, take a minute to read a Farnam Street blog post: "Jeff Bezos on Why People that Are Often Right Change Their Minds Often." In A Nutshell Think Again is an excellent book that will give you techniques you can use to think more effectively at work and everywhere else. You’ll get more from the book if you do a little bit of homework. Learn about Tetlock’s mindsets and the general idea of changing your mind as a way of thinking.

### ⭐⭐⭐⭐⭐ For leaders and the rest of us
*by T***N on January 16, 2026*

​Adam Grant argues that in a world that’s changing faster than ever, the most important skill isn't intelligence—it’s rethinking. It’s a masterclass on how to stay open-minded, let go of "best practices" that no longer work, and embrace the joy of being wrong.

### ⭐⭐⭐⭐ The Sciences of Evolutionary Psychology and Positive Psychology Would Strengthen the Book
*by P***Y on March 7, 2021*

This is a great book from which I have learned a great deal that will aid in my teaching and practice. However, the author fails to take into account the perspective of evolutionary psychology, which is an umbrella or meta-theory over the entire field of psychology. Nothing in the field of psychology makes sense without an evolutionary perspective. The author is an organizational psychologist. Adding an evolutionary perspective to his work would make him an evolutionary organizational psychologist. One cannot accurately explain the human mind and human behavior absent an evolutionary perspective. Why? What scientific evidence is the author missing by failing to take into account the science of evolutionary psychology? In Chapter 6, Bad Blood on the Diamond, Diminishing Prejudice by Destabilizing Stereotypes, the author seeks to explain the origins of tribalism and its viciousness in the treatment of out groups. The answer is that humans are born with brain modules for tribalism because our ancestors had to be tribal in order to survive. Modern humans still possess the same brain modules. We still practice tribalism because in the past it had evolutionary advantages. Now the question is what can be done to improve the human condition? That answer lies in the relatively new science of positive psychology. Evolutionary psychology explains human conflict. Positive psychology gives us the science to mitigate human conflict. The author has apparently not studied these new fields of psychology and therefore lacks the perspective of the most current science. I would like to see him brand himself as a Positive Evolutionary Organizational Psychologist by taking the evidence from these new fields to recalibrate his view of human behavior. Please see Evolutionary Psychology by David Buss, How the Mind Works by Steven Pinker, and Positive Psychology by Alan Carr.

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*Product available on Desertcart Thailand*
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*Last updated: 2026-04-29*