The five founders journal listeners who won the principle's giveway. Radalo is truly one of greatest thinkers of our generation. Ray dalio learned to embrace differences by introducing a concept known as baseball cards. The attributes and scores of employees on these baseball cards were informed by other people at the company in question. When people changed, their rating would change. And when they didn't change, you could even be more sure about what to expect from them looking at their baseball card.