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What it argues
Principles is Ray Dalio's account of the mental models and management philosophy that he developed over forty years as founder of Bridgewater Associates, the world's largest hedge fund. The book is divided into three sections: a life story of how Dalio developed his principles through success and failure, a set of life principles about how to think and make decisions, and a set of work principles about how to build an organization that consistently makes good decisions.
Dalio's core philosophy centers on two ideas: radical truth and radical transparency. Radical truth means acknowledging reality as it is rather than as you wish it were — including painful realities about your own performance, your organization's failures, and the gaps between your intentions and your results. Radical transparency means making information available to everyone in the organization rather than filtering it through a hierarchical approval process. Both ideas are demanding in practice and have made Bridgewater a famously unusual and polarizing place to work.
What it gets right
- 1.
Radical truth and radical transparency are the foundation of good decision-making and organizational health. Both require accepting reality as it is, not as you want it to be.
- 2.
The biggest barrier to good decisions is ego — the need to be right rather than to get to the right answer. An idea meritocracy requires subordinating ego to evidence.
- 3.
Pain plus reflection equals progress. Most people try to avoid pain; Dalio argues it's the signal that you need to learn something.
What it covers
Who wrote it
Ray Dalio is the founder of Bridgewater Associates, which he founded in his New York City apartment in 1975 and which became the world's largest hedge fund. He served as co-chief investment officer until 2022. Bridgewater is known for its unusual culture of radical transparency and algorithmic decision-making, documented extensively in the financial press. Dalio has given away a significant portion of his wealth through philanthropy and is a signatory of The Giving Pledge. Principles was preceded by an abbreviated version distributed internally at Bridgewater for decades.
