Principles by Ray Dalio is a #1 New York Times bestseller that shares the life and work rules of one of the world's most successful investors. Ray Dalio, founder of Bridgewater Associates, explains the simple principles that helped him build his career from the ground up. The book is divided into life principles for personal growth and work principles for building strong organizations. He shows how radical truth, transparency, and learning from mistakes can lead to better decisions and success. Praised by Bill Gates and Tony Robbins, it is a practical guide for anyone who wants to think clearly and live more effectively.