Principles: Life and Work

by Ray Dalio

you must be radically open-minded. Our biggest barriers for doing this well are our ego barrier and our blind spot barrier. The ego barrier is our innate desire to be capable and have others recognize us as such. The blind spot barrier is the result of our seeing things through our own subjective lenses; both barriers can prevent us from seeing how things really are. The most important antidote for them is radical open-mindedness, which is motivated by the genuine worry that one might not be seeing one’s choices optimally. It is the ability to effectively explore different points of view and different possibilities without letting your ego or your blind spots get in your way. Doing this well requires practicing thoughtful disagreement, which is the process of seeking out brilliant people who disagree with you in order to see things through their eyes and gain a deeper understanding. Doing this will raise your probability of making good decisions and will also give you a fabulous education. If you can learn radical open-mindedness and practice thoughtful disagreement, you’ll radically increase your learning. Finally, being radically open-minded requires you to have an accurate self-assessment of your own and others’ strengths and weaknesses. This is where understanding something about how the brain works and the different psychometric assessments that can help you discover what your own brain is like comes in. To get the best results out of yourself and others, you must und...