Program testing can be used to show the presence of bugs, but never to show their absence!
程序測試可以用來顯示錯誤的存在，但永遠不能顯示它們的缺失！
In chemistry, as in life, the most profound truths are often the simplest.
用戶界面中最重要的東西是反饋。
If one hears bad music it is one's duty to drown it by one's conversation.
The ocean is not just a resource—it's our responsibility to protect it while harnessing its potential.