"Tennis has given me everything, and I want to give something back."
网球给了我一切，我想回馈一些东西。
最大的风险是不冒险。
如果你想看看这个国家的本质，你必须乘坐铁路。当你快速穿过时，看看外面，你会发现美国的真实面貌。
"Every story has a beginning, a middle, and an end, but not necessarily in that order."
The artist's role is to create a dialogue between the past and the future.
Leadership is about making tough decisions today that will benefit future generations.
疯狂就是重复同样的错误并期待不同的结果。
The world is full of obvious things which nobody by any chance ever observes.