I know that feeling. I've accumulated a small collection of what I think of as "lenses". Simple ideas that help make sense of a lot of otherwise confusing obser

I know that feeling. I've accumulated a small collection of what I think of as "lenses". Simple ideas that help make sense of a lot of otherwise confusing observed human behavior. What I wouldn't give to inject them in the brain of everyone. (Off the top of my head, a few for me are in-group/out-group behavior, path dependence, sunk cost fallacy, fundamental attribution error, and externalities.)