Tim Ferriss's book, "Tribe of Mentors," which features advice on living a better life from over 100 experts. The quotes cover a wide range of topics, including personal growth, entrepreneurship, technology, creativity, health, and happiness. Ferriss curated the book by asking his mentors insightful questions designed to help readers gain valuable insights from the perspectives of successful individuals across various fields. The book's overall goal is to guide readers toward personal and professional success by providing actionable advice and inspiration from individuals who have achieved extraordinary outcomes in their lives.