Challenges are opportunities in disguise; they push us to innovate and improve.
What I’ve achieved in tennis is great, but who I am as a person is more important.
Plan your work and work your plan.
预测未来的最好方法就是自己去创造它。
Luck has nothing to do with it, because I have spent many, many hours, countless hours, on the court working for my one moment in time.
