我不相信运气，我相信准备遇到机会。

Program testing can be used to show the presence of bugs, but never to show their absence!

The beauty of literature is that it allows us to live a thousand lives in one.

"The past is a foreign country; they do things differently there."

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

这类波可以像光波一样被反射、折射和偏振。