程序测试可以用来显示错误的存在，但永远不能显示它们的缺失！
Program testing can be used to show the presence of bugs, but never to show their absence!
我能给出的最好建议就是做你自己并享受乐趣。
If ease of use was the only requirement, everyone would still be riding tricycles.
Growth and innovation are at the heart of everything we do.
顾客的满意是我们成功的最终衡量标准。