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You’re implying that if there was a hypothetical ‘perfect’ manual on tennis written by someone you could become a world-class player just by reading it, and

• vbezhenar 4y ago
  Of course not. You need genes. You need muscles. You need muscle memory. You need reflexes. Basically genes and trainings.
  • yywwbbn 4y ago
    Sure. You’d have all of those things and the book. You can also have robot that’s very good at tennis to train with.