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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!
预测未来的最好方法就是创造未来。
"The world is a book, and those who do not travel read only one page."
Every mental state exists for a purpose; to understand it, we must ask what function it serves in the broader system of behavior.
真正的艺术家永远是无政府主义者。
We've got to live, no matter how many skies have fallen.