Tools of Titans: The Tactics, Routines, and Habits of Billionaires, Icons, and World-Class Performers

by Timothy Ferriss

* What advice would you give your 30-year-old self? “I had so many bumps starting when I was 30 years old. They lasted for 9 years, and I wouldn’t tell my 30-year-old self anything. Because if I hadn’t had those bumps, I wouldn’t be me, and I’m glad I’m me.”