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！
光是建筑的本质。没有光，就没有空间。
If you're horrible to me, I'm going to write a song about it, and it won't be a good one for you.
真正的艺术家并不骄傲：他知道艺术是无限的，他觉得自己离目标还很远。
The world is a puzzle; the pieces are scattered, and no one has the picture on the box.
农业中最宝贵的资源不是土地或水，而是知识。