"""I learned these 32 principles over decades of jiu-jitsu practice . . . Rener Gracie codifies them in a simple, clear, digestible way, making them accessible to any person in any situation, regardless of whether they are a black belt in jiu-jitsu or have never learned a martial art.""
—Jocko Willink, retired US Navy SEAL, #1 New York Times bestselling author, podcaster, and entrepreneur

""A must-read for anyone seeking to succeed in life . . . I love the analogies and practical advice this book has on how the principles of jiu-jitsu can be applied beyond the mat to achieve success in all aspects of life.""
—Cynthia Rothrock, five-time undefeated world champion martial artist, action star, and inductee in the Black Belt Hall of Fame

""Jiu-jitsu is a super power. Whether it's used to protect yourself and your family, or in your professional pursuits, it provides an incalculable advantage. Rener Gracie . . . brilliantly breaks down these universal problem-solving principles in real time for use in any environment.""
—Tim Kennedy, former UFC fighter, US Special Forces soldier, New York Times bestselling author, and entrepreneur

""By presenting the 32 principles in such a clear and easy-to-learn format, Rener Gracie extends the profound benefits of his family's fighting system far beyond the world of martial arts and into the realm of how to live a meaningful life.""
—Ed O'Neill, actor

""Paul Volponi and Rener Gracie do an outstanding job of making The 32 Principles a guide to daily living for everyone.""
—Wendy Behar, licensed master social worker and author of #YourRules. Your Life.

""I wish I had this book when I was playing professional baseball. It is filled with tons of wisdom, told in a simplistic way with engaging stories. It's a book that after you read it, you will go back to it again.""
—Ila Borders, pro-baseball pitcher and coauthor of Making My Pitch

""Rener Gracie is, without question, one of the most talented teachers I have ever met—on any topic. And jiu-jitsu is among the most useful and personally rewarding forms of knowledge our species has produced. The importance of this coincidence should be obvious: when the student is ready, the teacher appears.""
—Sam Harris, neuroscientist, New York Times bestselling author, host of the Making Sense podcast, and creator of the Waking Up app

""Rener Gracie and Paul Volponi make a great team in explaining the benefits of martial arts to non-martial artists. The 32 Principles is an easy read and full of great information.""
—Christine Bannon-Rodrigues, nine-time World Champion martial artist and Hollywood stuntwoman

""To watch a top-notch novelist like Paul Volponi weave a narrative through a nonfiction book such as The 32 Principles is a thing of pure beauty.""
—Lenny Shulman, Emmy Award–winning writer and author of Justify

""It's amazing how the principles of martial arts connect so directly to life, and Paul Volponi's writing here is simply superb.""
—William Moy, Ving Tsun kung fu grandmaster"