The Great Mental Models, book 3: Systems and Mathematics Shane Parrish et Rhiannon Beaubien2021

The secret to better decision-making is learning things that won’t change. Mastering a small number of versatile concepts with broad applicability enables you to rapidly grasp new areas, identify patterns, and understand how the world works. Don’t waste your time on knowledge with an expiry date - focus on the fundamentals.
In part one, you’ll learn mental models from systems, helping you see unexpected connections and avoid costly mistakes. You’ll discover how these concepts govern the behaviors and interactions in your life. In part two, you’ll learn mental models from mathematics that reveal logical patterns in the world. This isn’t your high school math class. Mastering The Great Mental Models helps you thrive in an uncertain world. The right cognitive tools prepare you for any type of challenge. From parenting to healthy eating, relationships to personal productivity, and from learning to product design, this book will give you new lenses for understanding life.