材料本身并不重要,重要的是你如何使用它们。
Materials themselves are not important; what matters is how you use them.
我不是英雄,我不是反派,我只是一个人。
Program testing can be used to show the presence of bugs, but never to show their absence!
缺乏一个强大的国家对自由的威胁比存在一个强大的国家更大。
我看到了,我忘记了;我听到了,我记住了;我做过了,我理解了。
The best way to predict the future is to invent it.