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!
The health of our planet depends on the choices we make in agriculture.
Every setback is a setup for a comeback.
The hepatitis C discovery was not just my work; it was the result of decades of collective effort.
爱不能被强迫，爱不能被哄骗和挑逗。它来自天堂，不请自来，不寻自至。
我们越能清晰地关注周围宇宙的奇迹和现实，对破坏的兴趣就越少。