Sublime

You are better than you think you are; you can play at a higher level than you think you can; and you have the potential to beat so-called better players. If you’re a competitor and not just playing for exercise (and “cardio” tennis is great), don’t accept where you are; don’t settle for less. Shake yourself up in whatever manner it takes and

“The Who book [by Geoff Smart, Randy Street] is a condensed version of Topgrading, and I learned of it at Mint, where the founder was using it.”