"How I want to behave in life." - Bryan Johnson
Ray Dalio can be seen reading this book on the article's main image.
"This book (and his life) were living proof of his family motto: 'Fortitudine vincimus' (By endurance we conquer)." - Ryan Holiday
One of Sam Altman's answers to "What are some of the best books you recommend for a young startup founder?"
"Just a phenomenal story." - Scott Belsky