我相信我们生来都有目的,而我的目的就是歌唱。
Doubt is not a pleasant condition, but certainty is an absurd one.
The only person you should try to be better than is the person you were yesterday.
富人和你我不同——他们钱更多,同情心更少。
"I’m not playing for the records. I’m just trying to enjoy my tennis."