你花所有时间试图找回被夺走的东西时，更多的东西正从门口溜走。

Anybody who has been seriously engaged in scientific work of any kind realizes that over the entrance to the gates of the temple of science are written the words: Ye must have faith.

At the end of the day it's not about what you have or even what you've accomplished... it's about who you've lifted up, who you've made better. It's about what you've given back.

最好的策略是足够灵活以适应变化。

网球是一项心理游戏。每个人都很健康，每个人都能打出精彩的击球。