One needs to continually make sense of a baffingly complex, constantly changing environment. Brief, succinct quotes can quickly produce clarity amid moral murkiness
You also can understand how to play tennis from Serena Williams, and she is awesome. I haven't seen her Masterclass but just watching her on the court - I saw some of Wimbledon on TV and there's such an awesome force in her and focus and determination and technique, you just look at her and it's awesome. If I would like to learn tennis I would immediately turn to her.