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.