当你在一生中把某件事做到最好时，你真的不想放弃——对我来说就是网球。
When you do something best in life, you don’t really want to give that up – and for me it’s tennis.
我的人生就是一首未完成的歌。
In mathematics, the art of proposing a question must be held of higher value than solving it.
The mind is a constantly reorganizing system.
让自己振作起来的最好方法就是试着让别人振作起来。
The best way to predict the future is to invent it.