你唯一必须知道的就是图书馆的位置。
The only thing you absolutely have to know is the location of the library.
I never buy anything unless I can give a good reason why I think it will go up.
The end of law is not to abolish or restrain, but to preserve and enlarge freedom.
物理学的未来取决于我们操纵比当前能测量的更快过程的能力。
我无法了解懒惰的人，因为我们说的是不同的语言。我不了解懒惰的人，我也不想去了解。