Program testing can be used to show the presence of bugs, but never to show their absence!
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 human brain is a complex, self-organizing system.
The greatest cruelty is our casual blindness to the despair of others.
我认为拥有梦想并追随它很重要,无论发生什么。