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!
Program testing can be used to show the presence of bugs, but never to show their absence!
I don't follow trends. I set them.
边界不是一条线,而是一道伤口。
Life is a tragedy for those who feel, and a comedy for those who think.
The most important property of a program is whether it accomplishes the intention of its user.
写作是一种乐观的行为。如果你觉得它不重要,你就不会费心去做。