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.
The most important property of a program is whether it accomplishes the intention of its user.
在商业中,就像在采石中一样,精确和耐心会带来最好的结果。
最好的发现是那些提出的问题比它们回答的还要多的发现。
Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.