Happiness ain't a thing in itself --- it's only a contrast with something that ain't pleasant. That's all it is.
海洋有其法则,它们和陆地的法则一样固定。
The most important single aspect of software development is to be clear about what you are trying to build.
不要问国家可以为你做什么,你应该要问自己可以为国家做什么。
残酷的不是这个世界,而是世界里的人。