我认为坚持自己的信念很重要。

兴趣是坚毅配方中第一个也是最重要的成分。

网球给了我一切，我想回馈一些东西。

I don't think you can ever do your best. Doing your best is a process of trying to do your best.

I am interested in the human condition, in what it means to be alive, in the nature of existence.

海洋中有一条河流。