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,但永远不能显示它们的缺失!
你离死亡越近,就越能感觉到活着。
"The cloud is the foundation for the next wave of innovation."
我想展示即使在最黑暗的地方也能找到人性。
A proof tells us where to concentrate our doubts.
能源的未来不是非此即彼的选择,而是找到所有可用解决方案的正确组合。