当你找不到人来喝你沏的茶时，当没有人需要你时，我想这就是人生完结的时候。
When you have nobody you can make a cup of tea for, when nobody needs you, that's when I think life is over.
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
在爱情中我们都是傻瓜。
I'm not afraid to fall in love. I'm afraid of the person I'll become when I'm in love.
Generally speaking， the errors in religion are dangerous； those in philosophy only ridiculous.