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Publisher's Summary

Ray Dalio, one of the world's most successful investors and entrepreneurs, shares the unconventional principles that he's developed, refined, and used over the past 40 years to create unique results in both life and business - and which any person or organization can adopt to help achieve their goals.
In 1975, Ray Dalio founded an investment firm, Bridgewater Associates, out of his two-bedroom apartment in New York City. Forty years later, Bridgewater has made more money for its clients than any other hedge fund in history and has grown into the fifth most important private company in the United States, according to Fortune magazine. Dalio himself has been named to Time magazine's list of the 100 most influential people in the world. Along the way, Dalio discovered a set of unique principles that have led to Bridgewater's exceptionally effective culture, which he describes as "an idea meritocracy that strives to achieve meaningful work and meaningful relationships through radical transparency". It is these principles, and not anything special about Dalio - who grew up an ordinary kid in a middle-class Long Island neighborhood - that he believes are the reason behind his success.
In Principles, Dalio shares what he's learned over the course of his remarkable career. He argues that life, management, economics, and investing can all be systemized into rules and understood like machines. The book's hundreds of practical lessons, which are built around his cornerstones of "radical truth" and "radical transparency", include Dalio laying out the most effective ways for individuals and organizations to make decisions, approach challenges, and build strong teams. He also describes the innovative tools the firm uses to bring an idea meritocracy to life, such as creating "baseball cards" for all employees that distill their strengths and weaknesses and employing computerized decision-making systems to make believability-weighted decisions. While the book brims with novel ideas for organizations and institutions, Principles also offers a clear, straightforward approach to decision making that Dalio believes anyone can apply, no matter what they're seeking to achieve.
Here, from a man who has been called both "the Steve Jobs of investing" and "the philosopher king of the financial universe" (CIO magazine), is a rare opportunity to gain proven advice unlike anything you'll find in the conventional business press.
©2017 Ray Dalio (P)2017 Simon & Schuster Audio
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Customer Reviews

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By Robert F. Jones on 10-08-17

Personal

Two stars - meh
three stars - good
four stars - worth a second read
five stars - life-changing - my top 50 of all time

Worth a second read because the ideas at the core of the book seem contrary to what has been my life experience.

I'd love to spend a couple of days at Bridgewater or extensively interview some longtime employees to find out if it works as the author suggests.

My experience has been that 'Idea Meritocracies' and 'Radical honesty' work great for those at the top, who's positions cannot be threatened because they deem what is valued and right.

I've also always been told that attempting to fit market movements to algorithms cannot predict the really important swings. This is because we cannot properly summarize all of the market conditions that existed historically, nor can we know all of the factors that effect markets currently because our information is incomplete. I should be able to tell if his approach works by comparing Bridgewater's performance to that of its peers, but I have not yet done this.

The author does make a telling comment early in the book, regarding the computational nature of reality. He states that if we knew we had a perfect description of the current state of the universe, we'd be able to predict what would happen next. This is by no means an established fact. Chaos theory, quantum mechanics and and Heisenberg would probably disagree.

I cannot decide if the 'Baseball Card' approach to personnel makes sense. Baseball stats are more objective that job performance or personality types based on standardized tests.
I'd love to believe that keeping stats on everyone would help predict future performance, but as Sabermetrics showed, which stats one calculates and how they are weighted have significant impact on outcomes.

I'd love to believe that his basic assumptions are correct, but I'm really ambivalent. This book raised many more questions than it answered.

If I check the facts and they seem to hold water, I will make changes to my life and thus this would qualify as a five-star book.

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23 of 24 people found this review helpful


By Christian on 09-26-17

I need to go through this book a few more times.

This is a great book to listen to and I found myself drifting off quite a lot thinking how to apply any given section to my life/work. I'll have to go through it a few more times for sure.

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11 of 11 people found this review helpful

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By Thomas Sichel on 09-30-17

Life changing

This book is full of concrete wisdom. I read the pre-release two years ago and began implementing some of the advice Ray Dalio gave, this latest release of his has really taken things further. I honestly can't recommend this book enough, whether your looking to start a company or just improve your life...

Thank you Ray for bringing such powerful knowledge to world

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8 of 9 people found this review helpful


By Vlad on 10-20-17

I personally didn't find it educational enough.

The book feels a lot like a linear autobiography. It talks about major events from the author’s past, including successes and failures the author has learnt from.

In the beginning, the book sounded to have been structured well and the author’s writing style seemed quite analytical. The author’s voice is clear and composed throughout. I really liked it when the author states he doesn’t wish to impose his beliefs on the listener and that the advice he’ll be sharing may not benefit everyone.

The author frequently speaks about how has helped companies run more efficiently. Most times, however, I struggled to extract value from his explanations unless he gave some sort of evaluation in the end.

The author also speaks a lot about his company Bridgewater, its challenges and achievements as well as constantly evolving culture and management. To me it sounded the author was more interested in describing, explaining and at times praising his business instead of looking to provide knowledge to the listener in a direct and understandable way.

Four hours in, the book appeared to have become an autobiography of Ray Dalio’s business and career. I decided to return it because the more I listened to it, the less I felt it benefited me.

I wouldn’t recommend the book to everyone but if you are into investing, finance and business management, you may really like the book.

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4 of 5 people found this review helpful

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By Amazon Customer on 10-05-17

A great perspective

I found this book very insightful. Ive always wanted to gain a perspective from Ray Dalio so it was great to hear him personally narrate aspects of the book - it felt very authentic. The ideameratocricacy is a great way of structuring an organisation i wish i could work at Bridgwater to see what its like and if it aligns with the way i think (i reckon it might). I recommend this book to any professional leader who wants to improve their understanding of the world or their decision making ability. Thank you Ray!

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1 of 1 people found this review helpful


By Anonymous User on 09-21-17

AMAZING BOOK

This book was awesome. Great to hear and listen to someone that has had great financial success talk about principles. I would love to be in Ray Dalio inner circle. So much wisdom and knowledge that you can learn from. I'm developing my own principles now while also noting down Rays. Awesome book and many thanks for writing this gem.

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3 of 4 people found this review helpful

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