"This book will change your life." - Alexis Ohanian
"My favorite Jocko book." - Casey Neistat
"I hand out more copies of this book than any other. How to take responsibility for yourself and for those around you. Modern Stoicism, as applied in the military, business, and life." - Marc Andreessen
"I am really enjoying this book." - Tim Ferriss
"Great book by two remarkable men. You want these guys on your side." - Michael Mauboussin
Tom Bilyeu recommended this book on his website.