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!
"I don't want to just be a singer. I want to be an entertainer."
我们都在某种程度上是流亡者。
"You can never know everything, and part of what you know is always wrong."
我不是那种会让我的动力下降的人。