My approach was to hire, train, test, and then fire or promote quickly, so that we could rapidly identify the excellent hires and get rid of the ordi… - Ray Dalio

Every time you confront something painful, you are at a potentially important juncture in your life — you have the opportunity to choose healthy and painful truth or unhealthy but comfortable delusion.

Being radically truthful and transparent with your colleagues and expecting your colleagues to be the same with you ensures that important issues are apparent instead of hidden. It also enforces good behavior and good thinking, because when you have to explain yourself, everyone can openly assess the merits of your logic.

Because our educational system is hung up on precision, the art of being good at approximations is insufficiently valued. This impedes conceptual thinking.