I went to the woods because I wanted to live deliberately. I wanted to live deep and suck out all the marrow of life. To put to rout all that was not life. And not, when I had come to die, discover that I had not lived.

所谓道德抑或不道德的书是不存在的。书就只有分写得好、写得差，仅此而已。

法律的概念不是一个事物的概念，而是一个复杂的社会实践的概念。

我们都是陌生人，甚至对自己来说也是。

绿色发展不仅是责任，更是机遇。

在制造业中，精确不仅仅是关于尺寸，更是关于卓越的一致性。