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!
水从高处流下来,势头非常急促
The greatest satisfaction is knowing you gave your all.
世界充满了神奇的事物,耐心地等待着我们的感官变得更加敏锐。