The Undoing Project

Unlikely partnership. Daniel Kahneman and Amos Tversky, two Israeli psychologists with vastly different personalities and backgrounds, formed an extraordinary collaboration in the 1970s. Kahneman, a Holocaust survivor with a penchant for self-doubt, and Tversky, a confident and charismatic native Israeli, found in each other intellectual soulmates. Their partnership began at Hebrew University and continued through their move to North America. Revolutionary ideas. Together, they challenged the prevailing economic theories of rational decision-making. They introduced the concept of cognitive bia

Lesson 1: Two brilliant minds collaborate to revolutionize decision-making theory

Michael Lewis reveals how the stories we tell ourselves shape outcomes as powerfully as external reality. In The Undoing Project, this psychological insight becomes a practical tool: change the narrative, change the result.

Lesson 2: Heuristics and biases: Uncovering systematic errors in human judgment

This principle from The Undoing Project is backed by Michael Lewis's extensive research and real-world examples. Understanding it deeply can shift how you approach decisions, relationships, and long-term planning in meaningful ways.

Lesson 3: The power of framing: How presentation shapes decision-making

This principle from The Undoing Project is backed by Michael Lewis's extensive research and real-world examples. Understanding it deeply can shift how you approach decisions, relationships, and long-term planning in meaningful ways.

How to Apply The Undoing Project's Lessons

The real value of The Undoing Project lies in its applicability. After reading, the most important step is identifying which of Michael Lewis's principles speak most directly to your current situation.

Consider keeping a journal while reading — noting where the ideas challenge your current approach and where they confirm what you already suspected. The friction of your own resistance often points to the most important insights.

Key Quote

"Two brilliant minds collaborate to revolutionize decision-making theory" — Michael Lewis, The Undoing Project

About the Author

Michael Lewis is the author of The Undoing Project. The book reflects years of research, observation, and synthesis of evidence from multiple disciplines.