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. 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.