程序测试可以用来显示错误的存在,但绝不能显示它们的不存在!
"The best films are those that dare to confront the uncomfortable truths of our existence."
我们生活中的改变必须来自除了按照我们良心的要求生活之外别无选择。
"Biography is the most intimate form of history."
The most valuable resource in agriculture isn’t land or machinery—it’s people.