The 4-Hour Body: An Uncommon Guide to Rapid Fat-Loss, Incredible Sex, and Becoming Superhuman

by Timothy Ferriss

“Pareto’s Law,” or “the Pareto Distribution.” It is more popularly known as “the 80/20 Principle.”

“Pareto’s Law,” or “the Pareto Distribution.” It is more popularly known as “the 80/ 20 Principle.”