Design inspired by the Cognitive Bias Codex Out of all the interventions we can do to make smarter decisions in our life and career, mastering the most useful and universal mental models is arguably the most important. Over the last few months, I’ve written about how many of the most successful self-made billionaire entrepreneurs like Ray Dalio Elon Musk , and Charlie Munger swear by mental models… “Developing the habit of mastering the multiple models which underlie reality is the best thing you can do. “ — Charlie Munger “Those who understand more of them and understand them well [principles / mental models] know how to interact with the world more effectively than those who know fewer of them or know them less well. “ — Ray Dalio “It is important to view knowledge as sort of a semantic tree — make sure you understand the fundamental principles, i.e. the trunk and big branches, before you get into the leav…