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."

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."

Ray Dalio: "I love Tim’s book because it’s essentially a collection of great principles from people who have accomplished great things."

Tony Robbins: "What I love about 'Tribe of Mentors' is that it distills key habits and beliefs of ultra-successful people and also dives into some of life’s larger questions, like what makes life meaningful. Highly recommended!"

Tony Robbins: "Jim Dethmer brought the simplicity of successful communication into the foreground.

No matter what issue you’re facing, his strategies for communicating with others will set you up to win every time."

Brian Armstrong: "This book discusses a way of approaching work where you are curious, eager to learn, and open, instead of focusing on blame, criticism, and commitment to being right. I found it to be quite helpful."

Tony Robbins: "Roger Dawson's great book will help you create and expand one of the most critical skills to life-long success."

Tim Ferriss: "I would suggest getting the audio if you can."

Tony Robbins: "I’ve read this book more than a dozen times and often give it as a gift because it’s concise, easy to read and yet extremely profound.

It dives deep into the concept of understanding that your thoughts truly shape everything in your life that you feel and experience."

Tony Robbins: "[Read this] because you have to understand that life has seasons."

Tony Robbins: "I find Byron Katie’s work really great. It feels like her life’s work is bound between the pages of this book.

It’s a beautiful how-to for anyone wanting freedom from The Mind."

Tony Robbins: "[Tom Brady] shares his tried and true strategies that have enabled him to stay on top of his game and play at such a high level for so many years.

The man is in peak physical shape and is still one of the best quarterbacks in NFL history at age 40. That’s pretty extraordinary."

Tony Robbins: "I believe that the discoveries in this book can change our understanding of how we store emotional experiences and in so doing, change our lives.

The Emotion Code has already changed many lives around the world, and it is my hope that millions more will be led to use this simple tool to heal themselves and their loved ones."

Nassim Taleb: "This is something exceptionally rare in the entrepreneurship literature: someone telling you how he overcame his problems and made lemonade out of lemons.

Anthony has skin in the game. He is funny, direct, deep, and insightful. The book is so gripping you can read it standing up. A must read."

Mark Cuban: "In Hopping over the Rabbit Hole, Scaramucci provides invaluable and pragmatic advice on how to start a business, continuously improve your professional acumen and transform failure into opportunity.

An insightful and resourceful guide for any entrepreneur, dreamer or Presidential candidate."

Arianna Huffington: “The most valuable thing Anthony Scaramucci teaches us about success is how important, even necessary, failure is.

As he shows, we all face setbacks ― but it’s how we learn from them that governs whether we ultimately succeed or fail.”

Tony Robbins: "Anthony Scaramucci's new book Hopping Over The Rabbit Hole captures the essence of the Gladiator spirit — check it out!"

Peter Schiff: "With government making it much harder for entrepreneurs to succeed, Anthony Scaramucci's new book is a must read"

Carl Icahn: "Anthony Scaramucci, who I respect, has come up with many excellent insights in his new book."

Tobi Lutke: "I’m a big fan of the book."

Satya Nadella's management worldview is deeply influenced by Stanford professor Carol Dweck’s book Mindset.

Tony Robbins mentioned this book on 'The Tim Ferriss Show' podcast.

Tony Robbins: "I just recommended Slow Sex to somebody yesterday who desperately needed it."

Tony Robbins: "Here's the cure to your stress!"

Tim Ferriss: “For all Type-A driven readers — especially those who struggle with the shut-off switch — this one is for you.”

Shane Parrish: "As hard as you think your life is, it pales in comparison to Auschwitz.

I took two big things away from this book: (1) the ultimate freedom is the ability to choose your attitude in the face of any circumstance and (2) the more you target success, the more you will miss it."

Tony Robbins: "Man’s Search for Meaning provides compelling examples of humanity’s perseverance through trying situations.

This is another book that I’ve read dozens of times. It taught me that if you change the meaning, you change everything."

Jordan Peterson: "A book that I found particularly influential in my intellectual development."

This book was on Sam Altman's bookshelf.

Naval Ravikant mentioned Man's Search for Meaning on Twitter.

Tony Robbins was given a copy of Generations by President Clinton.

Tony Robbins: "In Behind the Cloud, Marc Benioff takes us through the ups and downs of building one of the most extraordinary businesses of our time and reveals the tactics that gave salesforce.com its amazing edge.

This book will show you how to focus your vision, think differently, align your organization―and transform your business and your life."

David Sacks: "I strongly recommend that all founders read Chapter 3 of Behind the Cloud (on Marketing)."

One of the books Keith Rabois recommends for entrepreneurs.

One of four good books Aaron Levie highly recommends reading.