Title: Principles - Life and Work

Author: Ray Dalio

Editor: Simon & Schuster

Year: 2017

Year of first edition: 2017

Rating: 4.5 / 5

Amazon Link:

Main topic: Nonconformist Principles to create unique results in both life and business.

About The Author

Raymond Thomas Dalio is an American billionaire hedge fund manager and philanthropist who founded Bridgewater Associates in 1975. Over the years, Bridgewater has grown into one of the largest hedge fund in the world and among the first most important private companies in the United States. Through his life path, Dalio discovered unique principles that have led to his financial success. Are these principles, that Dalio believes have been the reason behind him success and that have been included in this book with the aim of spreading the culture of radical transparency to create unique results in both life and business. We believe that Mr. Dalio represents a point of reference for the modern financial system. A man of great ingenuity and great insight who has been able to build an empire from scratch, and who now makes his wisdom available to the readers of this book.


Ray Dalio is one of the most successful entrepreneurs of our time, and has been considered "the Steve Jobs of investment," but at the beginning of his life, he was only an ordinary man from the middle-class of Long Island.

How did he get it? In this book, he himself explains it to the reader.

The most important thing, according to the author, is an approach to life-based on principles: fundamental truths that guide behavior aimed at getting what a man wants from his life. All successful people apply principles that help them succeed in what they do and being able to count on effective principles is like having a recipe book for success. This is why the book illustrates a series of nonconformist principles of life and work that allowed Dalio to excel and could enable the reader to do so too.

Reading this book encourages you to draw your principles from your best source and to refine those principles as you gain new experiences: in this way, the reader can make better decisions and communicate more effectively.

"Principles" is full of revolutionary ideas, centered on a clear and direct approach to decision-making processes, including the innovative "validity of opinion" method, created by Dalio, which anyone can apply to achieve any goal.


The book also presents a model for creating a "meritocracy of ideas" that aims to improve work and relationships through sincerity and transparency: this is the secret of Dalio's extraordinary achievements.

Thanks to this book, the reader will be able to:

  • be more introspective,

  • improve the way he manages & thinks about risks,

  • give due weight to judgment,

  • improve the way he runs meetings,

  • clarify exactly what he wants,

  • improve the way he approaches personal growth,

  • set audacious goals, go after them, and evolve quickly,

  • improve the way he makes decisions.

We believe the author's advice is undoubtedly effectiveness and the book deserves to be purchased to be read several times.

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