Book Review : Thinking, Fast and Slow

Book Review of the book Thinking, Fast and Slow, Review done by Surajit Roy.

"An exploration of two modes of decision making"

Thinking, Fast and Slow by Nobel Prize-winning psychologist Daniel Kahneman provides us with a deep understanding of how our brains work and why we make the decisions we do. Kahneman’s masterpiece delves into the two systems of thought that drive the way we think – fast, intuitive thinking and slow, rational thinking – and how they can be used to our advantage.

With research from diverse fields including economics, medicine, and psychology, Kahneman’s book explores the cognitive biases we are all susceptible to and how to make better decisions by using the slower, more systematic approach. Through its comprehensive and practical advice, Thinking, Fast and Slow has become a cornerstone of modern decision-making and has been praised by a range of experts. It is an essential read for anyone interested in understanding their own thought process and making better decisions.

Book Details

Book TitleThinking, Fast and Slow
AuthorDaniel Kahneman
Book GenresNon Fiction
CategorySelf-Help for Success
My Rating4.8

“Thinking, Fast and Slow” book review summary.

About The Author

Kahneman was born in Tel Aviv, Mandatory Palestine, to a family of German Jews who had emigrated from Russia. He served in the psychological corps of the Israeli Defense Forces after the 1948 ArabIsraeli War. He received his bachelor‘s degree in psychology from the Hebrew University of Jerusalem in 1954, and his PhD in 1961 from the University of California, Berkeley, where he studied with cognitive psychologist Paul Meehl. In the 1960s, while at Berkeley, Kahneman began collaborating with Amos Tversky, a fellow Israeli psychologist.

Kahneman has held faculty positions at the Hebrew University, the University of British Columbia, and the University of California, Berkeley. He is currently a professor emeritus of psychology and public affairs at Princeton University‘s Woodrow Wilson School.

Kahneman‘s work has focused on cognitive biases such as the framing effect, anchoring, and representativeness, which have implications for the fields of economics, finance, and public policy. His most famous work, Thinking, Fast and Slow (2011), is a bestselling book in which he summarizes research that he has conducted for over four decades, and which popularized the idea of cognitive bias.

Kahneman has received numerous awards and honors, including the Nobel Memorial Prize in Economic Sciences, the Grawemeyer Award for Psychology, the Golden Plate Award of the American Academy of Achievement, and the National Medal of Science. He is a member of the National Academy of Sciences, the American Academy of Arts and Sciences, and the American Philosophical Society.

Book Summary

In Thinking, Fast and Slow, Nobel Prize winning psychologist Daniel Kahneman explores the two systems of thinking that drive the way we make decisions. He explains that System 1 is fast, instinctive, and emotional; its thegut feeling that we often rely on when making decisions. System 2 is slower, more deliberative, and more logical; it takes effort and concentration to use this system. Kahneman argues that our use of System 1 and System 2 can lead to errors and biases in our decisionmaking. He also provides practical advice for how to recognize and mitigate these errors and biases.

Book Highlights

Kahneman explains that System 1 is often employed in situations where quick decisions are needed, such as recognizing danger or understanding language. It is also prone to cognitive biases, such as the tendency to make snap judgments about people based on appearance. System 2 is used in situations that require more thought and consideration, such as complex problem solving or making financial decisions. Kahneman argues that System 2 can be trained and improved through practice, and he offers advice for how to do this. He also explores how to recognize and avoid the errors and biases that arise from relying too heavily on System 1.

Kahneman‘s book is a comprehensive exploration of the many ways in which our minds work, and how they can lead us astray. He divides the human mind into two distinct systems: System 1, which is fast, intuitive and emotional, and System 2, which is slow, deliberate and logical. He then examines how the two systems interact, and how our thoughts and decisions can be influenced by them.

Kahneman also delves into the psychology of decisionmaking, and the biases that we are vulnerable to. He explains how our decisions can be influenced by our emotions and our environment, as well as our beliefs and expectations. He also explains how our irrationality can be exploited in marketing, and how we can be manipulated into making decisions that we would not make if we were fully informed.


Overall, Thinking, Fast and Slow provides an insightful exploration of the two systems of thinking that guide our decisions. It offers practical advice for how to recognize and mitigate cognitive biases, as well as how to improve decisionmaking by training and strengthening System 2. This book offers an invaluable guide for making smarter decisions and avoiding errors in judgment. It is an essential read for any student of psychology, economics, or decision-making, as well as for anyone who wants to gain a better understanding of the human mind.

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