I don't think you can ever do your best. Doing your best is a process of trying to do your best.
我不认为你能做到最好。做到最好是一个努力做到最好的过程。
翻译:各种事情根据类别而聚集,万物根据类别而分为不同的群体。
Life is like riding a bicycle. To keep your balance, you must keep moving.
I want to leave a legacy that goes beyond tennis.
Sustainability is not an option; it's a responsibility we owe to future generations.