The joy of mathematics is in the struggle to understand.
生命并非地球表面的外在或偶然现象,它与地壳结构密切相关。
A map of the world which does not include Utopia is not worth even glancing at.
互联网思维造产品
学习新编程语言的最好方法是用它编写程序。
The best way to get over someone is to get under someone else.
相信生活,它给人的教益比任何一本书籍都好。