Mark Cuban: "Principles is the book I wish I had as a young entrepreneur, stressing over not knowing what I didn't know."

Tony Robbins: "I found it to be truly extraordinary."

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

Michael Bloomberg: “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.”

Reed Hastings: "Principles had a profound positive impact on my leadership style."

Jack Dorsey: "Principles is helpful in showing people how to operate by clearly articulated and shared principles that lead to faster progress."

Tim Ferriss: "I highly recommend this book. It has already changed how I think about making decisions in my life and in my business, how I think about managing, how I think about managing, how I think about communications between teams."

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

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

Marc Andreessen: "Steve Jobs is the person who most inspires the new generation of Silicon Valley entrepreneurs. In this deeply-researched book, you'll find the most honest portrait of the real Steve Jobs."

Jack Dorsey: "Square would not exist without the work and persistence of Steve Jobs. I am forever grateful. Amazing read."

Ed Catmull: "Becoming Steve Jobs is fantastic.

After working with Steve for over 25 years, I feel this book captures with great insight the growth and complexity of a truly extraordinary person. I hope that it will be recognized as the definitive history."

Brian Armstrong: "A biography of the famous Apple CEO. I read the Walter Isaacson biography last year, but found this one slightly better."

One of the books Keith Rabois recommends for entrepreneurs.

Vinod Khosla: "Very good; definitely worth reading"

Jack Dorsey: "You should read it"

Tim Ferriss: "A great book."

One of the books Keith Rabois recommends for entrepreneurs.

Patrick O'Shaughnessy mentioned reading and loving The Checklist Manifesto on Twitter.

Vinod Khosla: "Among the best books! A way of living, working & commitment to excellence"

Jack Dorsey says this book had a major influence on him.

One of Sam Altman's recommended books for young startup founders.

One of the books Keith Rabois recommends for entrepreneurs.

Jay-Z: "America, please read 'Between The World and Me' by Ta-Nehisi Coates"

Jack Dorsey says this book had a major influence on him.

Bob Iger recommended this book in 2016.

Joe Rogan: "This is a seriously powerful book. Especially potent for someone like me who talks for a living and often talks too much."

Karlie Kloss: "I think it’s got a lot of great principles and ideas."

One of Jack Dorsey's favorite books.

Jack Dorsey: "Incredible book by Stewart Brand. Best I’ve read this year."

Marc Andreessen: "[A book on] why even environmentalists should be pro building, pro cities, pro nuclear, and pro genetic engineering."

Matt Ridley: "Stewart Brand is the god of the environmental movement."

Naval Ravikant: "Wisdom distilled to its purest form. The oldest books often have the best answers to the oldest questions."

Jack Dorsey says this book had a major influence on him.

Max Levchin: "Easily the best piece of Russian prose of the 20th century"

Jack Dorsey: "One of my favorite books"

Naval Ravikant: "Jed McKenna is to spirituality what Rick and Morty is to children’s cartoons."

Jack Dorsey recommended 'Spiritual Enlightenment' on Twitter.

Jack Dorsey: “’Cash Rules Everything Around Me.’ This incredible Wu-Tang hook references everything Alex explores in these chapters on the control exerted by governments and corporations through monetary policy, and how the Bitcoin protocol will help free us all."

Lyn Alden: “Alex has done a fantastic job reporting on the use of Bitcoin by people throughout the developing world as a tool against both authoritarianism and high inflation.

This aspect of Bitcoin remains poorly understood in general, which is what makes his detailed work on the topic so useful.”

Jack Dorsey: "Insightful and comprehensive. Thanks Dr. Gundry"

Jack Dorsey: "I recommend Robb Wolf's book 'The Paleo Solution' to start a paleo diet. Answers the why, and is a fun read too."

Jack Dorsey says this book had a major influence on him.

Jack Dorsey: "Incredible perspective on North and Central America."

One of Jack Dorsey's favorite books.

Jack Dorsey: "Incredible book by ⁦Christopher Ryan⁩. And timely."

Jack Dorsey shared an 'excellent' interview with Isaiah Jackson on 'Bitcoin and Black America'.

Jack Dorsey: "A really stunning book about Robert Irwin. Couldn't put it down."

Jack Dorsey: "Read the book!"

Jack Dorsey: "A great read from a wise man"

Jack Dorsey: "Read 'Revolution from Within' if you haven't."