我常说同样的话：要想赢就必须受苦。

释义：不管物品的大小如何，当供不应求时，它就会变得珍贵。

I don't want to make things that are difficult for people. I want to make things that are easy.

Every life is in many days, day after day. We walk through ourselves, meeting robbers, ghosts, giants, old men, young men, wives, widows, brothers-in-love, but always meeting ourselves.

科学是照亮我们前进道路的火炬。