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20 Expert Reviews

"Beautifully written and filled with such wisdom." - Arianna Huffington

"Ray Dalio has provided me with invaluable guidance and insights that are now available to you in Principles." - Bill Gates

"[The author] open sourced Bridgewater’s methods in [this book] and the results were good evidence that collectives can operate at higher levels when they are open and honest about and can see past their cognitive flaws." - Bryan Johnson

"[Ray Dalio]'s a great guy and has a great book out you all need to get called Principles. It’s a major key!!" - Diddy

"Greg Penner, our chairman, asked me to read it." - Doug McMillon

"Sketched really concise and good thoughts for [how to approach life]." - Drew Houston

Dustin Moskovitz recommended this book on Twitter.

"The book's buzz and the reaction of the people has been overwhelming." - Gary Vaynerchuk

"I think the guiding quote of the book is [one] from Mark Twain, 'History does not repeat, but it does rhyme.'" - Howard Marks

"Helpful in showing people how to operate by clearly articulated and shared principles that lead to faster progress." - Jack Dorsey

"I was blown away. It’s both a guide to life, a guide to business, and also I think an insight into [the author] and someone who’s built an amazing business." - Kevin Systrom

"A masterpiece - It's a must-read!" - Marc Benioff

"The book I wish I had as a young entrepreneur." - Mark Cuban

"Everyone with goals and dreams can learn from [the author]'s approach." - Michael Bloomberg

"As with most non-fiction, the meat was in the beginning." - Naval Ravikant

"Had a profound positive impact on my leeadership style." - Reed Hastings

"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

"[Ray Dalio] tells you how he figured it all out – and about all the principles that guided him toward success in his life, business and finances." - Tony Robbins

"So good." - Austen Allred

"Bridgewater’s infamous [book]." - Patrick O'Shaughnessy