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Principles: Life and Work Kindle Edition
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“Significant...The book is both instructive and surprisingly moving.” —The New York Times
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 forty 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 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.
- LanguageEnglish
- PublisherAvid Reader Press / Simon & Schuster
- Publication dateSeptember 19, 2017
- File size14584 KB
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Editorial Reviews
Review
“Mr. Dalio has long been an object of fascination. . . . His new book is more significant than the original list of principles: It is part memoir, part how-to guide. It is a deeply personal story, with Mr. Dalio wading into how he started his firm in 1975, internal conflicts inside the company, and strife early on in his career. The book is both instructive and surprisingly moving. . . . Underneath what may seem like a clinical, emotionless approach is something different and far more poignant: Mr. Dalio is preaching for individuals to have a sense of humility and introspection, an ability to open themselves to appreciate pointed criticism and use it to improve.”
—The New York Times
“If there was an ‘it’ book for businesses or careers in 2017, it was Ray Dalio’s Principles. The book, weighing in at nearly 600 pages, begins with the author’s own story, including the rise of Bridgewater Associates, Dalio’s highly successful investment firm. Part memoir, part strategic plan, Dalio uses his own history to provide suggestions on attaining success while always stressing the power of individuality and personal goals. This isn’t just a book for the power elite. Dalio’s highly detailed game plan focuses on what he calls ‘radical’ truths and transparencies, and are applicable to the careers of powerful CEOs, ladder-climbing executives, longtime grunts, and fresh-faced rookies.”
—Chicago Tribune
“Ray Dalio has provided me with invaluable guidance and insights that are now available to you in Principles.”
—Bill Gates
“I absolutely loved this book. It’s beautifully written and filled with such wisdom.”
—Arianna Huffington
“I found it to be truly extraordinary. Every page is full of so many principles of distinction and insights—and I love how Ray incorporates his history and his life in such an elegant way.”
—Tony Robbins
“Ray Dalio’s market acumen is legendary, but it was creating and living by a set of principles that allowed him to reach the top. Everyone with goals and dreams can learn from Ray’s approach.”
—Michael Bloomberg
“It’s important and instructive to share what you’ve learned in life with others, and Ray does this in an interesting and provocative way in this compelling work.”
—Jamie Dimon
“I was surprisingly moved by it. I found it to be remarkably engaging. It made me think about life and how we all deal with each other in pretty profound ways. And Mr. Dalio’s own story about how he came to these principles is fascinating.”
—Andrew Ross Sorkin
“The billionaire investor has created the strongest culture I’ve ever seen in an organization—one that prizes radical transparency over politics and meritocracy over democracy. In his long-awaited book, he describes the systems that he has designed to shape meaningful work, meaningful relationships, and the world’s most successful hedge fund.”
—Adam Grant
“I highly, highly recommend this book. It has already changed how I think about making decisions in my life and in my business.”
—Tim Ferriss
“It’s the book I wish I had as a young entrepreneur, stressing over not knowing what I didn’t know. Principles offers a bible to the greatest skill an entrepreneur can have, the ability to Learn How to Learn in any situation. Read it.”
—Mark Cuban
“Principles had a profound positive impact on my leadership style—through living more honestly.”
—Reed Hastings
“Ray brings unique analytic insights about how to think about complex issues. His Principles is a must read. It’s a gift to all of us.”
—Steve Schwarzman
“Among a handful of philosopher-investors known not only for moneymaking prowess but also for their distinctive take on life.”
—The Wall Street Journal
“What makes Dalio compelling is not just his track record but the way he goes about making money, and the rigorous analysis he applies to understanding markets, organizations, the economy, and life.”
—Fortune
About the Author
Product details
- ASIN : B071CTK28D
- Publisher : Avid Reader Press / Simon & Schuster; Illustrated edition (September 19, 2017)
- Publication date : September 19, 2017
- Language : English
- File size : 14584 KB
- Text-to-Speech : Enabled
- Screen Reader : Supported
- Enhanced typesetting : Enabled
- X-Ray : Enabled
- Word Wise : Enabled
- Sticky notes : On Kindle Scribe
- Print length : 593 pages
- Best Sellers Rank: #26,040 in Kindle Store (See Top 100 in Kindle Store)
- #10 in Investing Basics
- #27 in Personal Success in Business
- #32 in Business Leadership
- Customer Reviews:
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About the author

Ray Dalio is the founder and co-chairman of Bridgewater Associates, which, over the last forty years, has become the largest and best performing hedge fund in the world. He is the author of #1 New York Times Bestseller and #1 Amazon Business Book of the Year, Principles. Dalio has appeared on the Time 100 list of the most influential people in the world as well as the Bloomberg Markets list of the 50 most influential people. He lives with his family in Connecticut.
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Principles details an organically grown set of rules to run a business. Ray shows how his principles have enabled him to build the world’s largest hedge fund and stipulates that anyone can build a great organization following his rules. His success speaks for itself - he is the first to point out that anyone should adopt their own principles. The common theme is a deeply rooted belief that running a business is similar to managing a professional sports team- taking this to an extreme, which Ray does, creates stimulating food for thought.
Ray’s definition of “principles” is not what many might expect. Principles go beyond a Rotarian Four-Way Test; they go beyond the Ten Commandments. Principles is more like a Harvard MBA class in waiting (he loves case studies, refers to them as case law), they are an assortment created by someone who, in his own assessment, is an engineer at heart. Engineers get things done, even if messy at first, trial and error is a virtue. I’m married to an engineer and have learned to appreciate this approach. In contrast, I’m a computer scientist. Computer scientists like to generalize problems even if the sample size is one; they like models and abstraction. The approaches are similar, yet distinct: engineers may get to market faster, but there’s a risk that things get too convoluted, too complicated once the complexity increases (you propose an app to wade through the ‘pile of principles’). The computer scientist might never make it beyond the modeling stage, too worried about that potential bug. My hunch is that without their benevolent despot, at some point, newly introduced principles (or old ones re-interpreted) will clog the machine. At that point it might be time to call on a computer scientist to help unclutter things. That said, who am I to criticize Ray’s principles? In fact, this isn’t meant as criticism, just a forecast. Any approach to managing a business will have potential pitfalls, being aware of those pitfalls will help stakeholders navigate them.
To appreciate Principles, a passion for investing is helpful, if only because of the industry lingo used. At first, I thought it’s a pity that this might limit his audience. But, no, it makes Principles authentic. Instead, I look forward to also reading books of other thought leaders passionate about their field with a completely different mindset.
Since investments are the topic of discussion at various times, let me shout out a big thank you to Ray, as he sheds light on what I believe is one of the biggest misconceptions in the community, notably also amongst hedge fund managers. Many have heard hedge fund managers tend to look for trades that have little downside, but much upside. A lot of investors, notably hedge fund managers, take that too literally, as they pursue options strategies. Buying an option costs fairly little (the premium), but offers potential upside that may be much greater. The problem with options is that they have what’s called time decay, notably that your option may expire worthless. In an era of low volatility, lots of options expire worthless. Options may also be used as insurance; but that, too, can be costly. Don’t get me wrong: there are worthwhile options strategies, but they are not the holy grail of low risk / high reward. Principles does not go into detail of how options work, but has an explainer of diversification. It is generally understood that diversification is the one free lunch available on Wall Street. Ray points out the obvious, notably that stocks are highly correlated with one another, so investors should consider uncorrelated return streams. At Bridgewater, he says, they combine as many as 15 different return streams from different asset classes; I challenge any reader to name just a few, let alone use multiple in their actual investments. Importantly, he argues, the way one achieves high potential upside with limited downside is by combining uncorrelated return streams. That’s very different from buying options (an options strategy may or may not be part of these return streams, but that’s a subordinate issue) in hopes of striking gold. Yes, Ray discusses gold, too; get a copy of the book to learn more.
Before I go much further in reviewing Principles, it may be helpful to review Ray’s agenda in publishing the book, as it helps to understand what this book is and what it is not. When I heard Ray as a guest on public radio last week, the cynic in me flagged this must be a symptom of a market top. But I recalled he had also given a “TED Talk”, so I was curious enough to question my gut reaction, leading to my downloading and listening to the audiobook of Principles. Ray is straightforward about his agenda: he considers his principles part of his legacy, wants to pass on the institutional knowledge he has helped build. In publishing the book, he also wants to have bright talent consider working for Bridgewater, as his firm had received bad media coverage about cult-like culture that apparently hampered its recruiting efforts. Ray makes it clear that his firm is the exact opposite of a cult. I agree, but read and judge for yourself.
While his book should be cherished by any aspiring entrepreneur, it is not squarely aimed at those running a small business. Sure, the book makes it clear that anyone following his principles can build a great organization, but at various sections in the book it becomes clear he is focused on running a large organization. I have no problem with that, but it helps to understand the context as to why he wrote the book.
Ray says successful entrepreneurs tend to be “shapers”, that is persons who can see the big picture, yet pay attention to detail (think Steve Jobs). His style should resonate well as what he profiles as the archetypical small business person: anyone running a small business has big dreams, yet takes care of the details. In fact, I can’t help but contemplate that maybe Ray is a small business person himself, of sorts. One who has managed to grow a big organization by using his principles for many management details – the “machine” as he calls it.
The context is relevant though, as everyone, including Ray, is hostage of his environment. Ray makes a convincing case that meritocracy is key to success; that is, decisions are best made based on believability-weighted decisions. He then goes to great lengths to explain the “machine” he has built to develop profiles of his staff. He has run his firm like a petri dish in a closed environment. He argues that, with limited time, it isn’t worthwhile, even potentially hazardous, to listen to unqualified opinions. That approach has worked for him as he has the resources to run his social experiment in-house. But is this the most efficient way? Is it most efficient to grow your talent, weed out a third that’s not up to the task, impose radical transparency and radical truthfulness on them, even if that’s not their nature? It may well be, but there’s a risk standards slip once the benevolent despot is out of the picture, no matter how big the pile of principles is.
While I have never called it such, I have applied radical transparency to running my investment business. Unlike most in the industry, for the past fifteen years, I have shared my views and positions with the general public. What do I get in return? Feedback. We have learned to filter that feedback into our idea generation engine, and to stress test our hypotheses. I have most appreciated that as I could not have possibly obtained that feedback with the limited resources I have in managing my comparatively small team. Ray may have brilliant experts in-house, but he is missing out on the brilliance out there. He scoffs at the public’s input in his book; after all, the mob does not have your optimal investment performance in mind. I beg to differ: just as one can develop models to rate the believability of your team, you can develop models to rate the believability of the public or any subset of the public, including those of specific strangers. Take Twitter as the simplest example: everyone can broadcast anything on Twitter, but you can curate who you want to listen to. Folks offer their analysis for free, you might as well harvest the value, separating quality from noise.
Like many asset managers, we get visits by strategists of major financial institutions. They provide thoughtful insight. But the so-called strategist at major institutions are not allowed to put their money where their mouth is. While I appreciate their input, it is very different from that of an employee who has his or her own sets of conflicts; and that is yet again very different from the feedback provided by a complete stranger. And while many investment professionals ridicule retail investors, I have learned to appreciate them. We have some public products, so I can see the flows; there are some pretty smart cookies amongst retail investors.
What I’m getting at is that Bridgewater – to just name Ray’s firm as an example – may at some point need to turn outward. And with that, I don’t mean it has to be unleashing Big Data indiscriminately (Ray provides criticism I agree with). But I believe the successful machine of the future may well include an assessment of the public. Are the principles flexible enough, can they evolve?
I’m not telling you anything you don’t know already, as it is increasingly pervasive in a variety of industries, most notably online advertising. In my humble opinion, it will be crucial for Ray’s next ambition: to help policy makers navigate tough decisions. You are not going to get members of Congress to adhere to the rigors of your meritocracy, yet it would be a pity to just disregard what you have created. So build a system that’s open. Build the machine that helps policy makers make the right decision based on merits. Incidentally, a machine that helps policy makers by sourcing input from the public, amongst others, could also be of use to Bridgewater.
One more note on your big-business-mindset, Ray: you argue that a janitor should be an in-house employee, as it is more cost effective as long as the person is full-time. Can it be that you are biased? Can it be that you love building machines so much, so that you in-source the janitor simply to prove your point? Good for you. And, clearly, it was not your goal to write the how-to-book for the smalltime entrepreneur. For anyone but big business, I allege that outsourcing non-core functions can be most effective. Indeed, in today’s world, it is so much easier to start a business because you can outsource so much. The culture in a janitorial firm is different from that in an investment firm; I would also think the typical employee on the investment side at Bridgewater is going to be more open to meritocracy than your janitorial division.
If you have read my ‘review’ all the way to this point, let me provide a business idea for the new phase in your life, if you haven’t done it already: hold periodic auctions for a charitable cause – open to the public - for discussions over lunch. Especially in the aftermath of the publicity you generate in promoting your book, you should be able to raise a fair amount to satiate hungry minds that want to discuss Principles with you.
Finally, one criticism: get off your butt, start doing exercise and don’t merely talk about the 2nd order benefits. Your family will have you around longer if you invest in your physical wellbeing.
Ray: if you’d like me to expand on the above or help in building that open machine, give me a call.
From the moment I opened this book, I was instantly captivated by Dalio's unique storytelling style. He effortlessly combines personal anecdotes, practical examples, and profound wisdom to paint a comprehensive picture of how principles can shape our lives and impact our decision-making processes. His writing is clear, concise, and relatable, making complex concepts accessible to readers of all backgrounds.
One aspect that truly stood out to me was Dalio's transparency and authenticity. He openly shares his successes, failures, and the lessons he learned along the way. This level of vulnerability creates a genuine connection with the reader and instills a sense of trust, making the book all the more impactful.
What sets "Principles: Life and Work" apart is its practicality. Dalio doesn't simply present theories and ideas; he provides actionable steps to help readers apply these principles in their own lives. The exercises and reflection questions scattered throughout the book encourage self-reflection, promoting personal growth and the development of a principled mindset.
Furthermore, the book is beautifully structured, making it easy to navigate and revisit specific sections. Whether you're seeking guidance on decision-making, leadership, or creating meaningful relationships, you can quickly find the relevant principles and insights.
Reading "Principles: Life and Work" has undoubtedly transformed the way I approach challenges and make decisions in both my personal and professional life. It has equipped me with a framework to assess situations, embrace failures, and learn from them. I feel empowered to define and live by my own set of principles.
In conclusion, "Principles: Life and Work" is a must-read for anyone seeking personal and professional growth. Ray Dalio's profound wisdom, combined with his practical approach, offers a transformative experience that will inspire readers to lead more principled lives. I highly recommend this book to anyone ready to embark on an enlightening journey of self-discovery and success.
Disclaimer: I received this book as a customer, and my review is based on my personal reading experience.
Reviewed in the United States 🇺🇸 on June 8, 2023
From the moment I opened this book, I was instantly captivated by Dalio's unique storytelling style. He effortlessly combines personal anecdotes, practical examples, and profound wisdom to paint a comprehensive picture of how principles can shape our lives and impact our decision-making processes. His writing is clear, concise, and relatable, making complex concepts accessible to readers of all backgrounds.
One aspect that truly stood out to me was Dalio's transparency and authenticity. He openly shares his successes, failures, and the lessons he learned along the way. This level of vulnerability creates a genuine connection with the reader and instills a sense of trust, making the book all the more impactful.
What sets "Principles: Life and Work" apart is its practicality. Dalio doesn't simply present theories and ideas; he provides actionable steps to help readers apply these principles in their own lives. The exercises and reflection questions scattered throughout the book encourage self-reflection, promoting personal growth and the development of a principled mindset.
Furthermore, the book is beautifully structured, making it easy to navigate and revisit specific sections. Whether you're seeking guidance on decision-making, leadership, or creating meaningful relationships, you can quickly find the relevant principles and insights.
Reading "Principles: Life and Work" has undoubtedly transformed the way I approach challenges and make decisions in both my personal and professional life. It has equipped me with a framework to assess situations, embrace failures, and learn from them. I feel empowered to define and live by my own set of principles.
In conclusion, "Principles: Life and Work" is a must-read for anyone seeking personal and professional growth. Ray Dalio's profound wisdom, combined with his practical approach, offers a transformative experience that will inspire readers to lead more principled lives. I highly recommend this book to anyone ready to embark on an enlightening journey of self-discovery and success.
Disclaimer: I received this book as a customer, and my review is based on my personal reading experience.
Top reviews from other countries
Je suis tombé sur ce livre par hasard. J'avais lu dans une article de journal qu'une société du nom de "Bridgewater Associates" allait construire un siège social d'une valeur de 750 millions de dollars aux US. J'étais étonné de ne pas connaître cette société, car je m'intéresse de près à l'économie. Après recherches, j'appris que cette société était en fait le plus grand hedge-fund du monde, et que son fondateur, un homme d'une soixantaine d'années issu de la classe moyenne américaine, avait écrit un fascicule pour expliquer quels étaient les secrets de la réussite de son organisation selon lui. C'était la première version de Principles sortie gratuitement en 2011 en PDF.
Ce livre a changé ma vie car il donne des règles simples pour gérer efficacement à la fois sa vie professionnelle et sa vie personnelle. La thèse principale de l'auteur est que l'obstacle majeur de nos vies est de ne pas arriver à voir la réalité (par peur, ego, etc...) et que, si on fait l'effort de ne pas se la masquer même si elle fait parfois mal, et que partant de cette réalité on construit des raisonnements en se demandant toujours "est-ce vrai ?", alors rien n'est irréalisable. Bien sûr, je schématise à outrance, mais je vous recommande chaudement de lire ce livre car peut-être qu'il changera votre vie comme il a changé la mienne.
Points forts
- conseils simples et de bon sens qui peuvent changer votre vie professionnelles et personnelle
- crédibilité de l'auteur
Point faible
- commencez par trouver le PDF gratuit de 2011 qui est l'essence du livre de 2017
His algorithmic approach to divining the financial market (correctly, most of the time) was ahead of his time. He extended this approach to his life and to management of his company. He organized almost everything in life in a mechanical engineer-like approach, and produced astonishingly successful results. Here are some of the key concepts that I took away from this book:
1. “idea meritocracy” (p.307, etc.)
Ray approaches decision making not with equal voting (democracy) or a top-man dictating the shot (autocracy). He gathers opinions, and weighs them with their ‘believability’ (i.e. their track record) or with their logical soundness. The opinions are thus ‘believability-weighted’, and the best one wins.
2. “reflect & write down” (p.43, etc.)
Ray emphasizes the importance of reflecting on experiences, and writing out the lessons learned in the form of algorithms.
3. “another one of those” (p.128, etc.)
Ray says most events in life, in business, in economy, etc. are mostly “another one of those”, which means similar events have probably occurred in the past, and will occur again in the future. It is better to learn history, and have algorithms ready to deal with “another one of these”.
4. “An organization is a machine” (p.299, etc.)
Ray maintains the universe, life, mind, organizations all work like machines, so to improve their performance, you should approach their problems in a mechanical engineer way.
5. “meditate” (p.199, etc.)
Ray is another creative genius who espouses meditation. Steve Jobs, Yuval Noah Harari, et al., and now Ray Dalio.
6. “nature optimizes for the whole, not for the individual.” (p.141, etc.)
Ray maintains nature does not give a damn about how you wish things should be. It optimizes for the whole. So, the trick is you’d better align yourself with second-order, third-order consequences, meaning consider how your decisions would affect not just you but groups of people, or the world at large.
The book makes you want to experiment with your life using some of the tools and protocols he used to reach his stunningly successful results. Highly recommended.
Reviewed in Singapore 🇸🇬 on December 29, 2022

































