Well, sir, you never can tell. That's a principle in life with me, sir, if you'll excuse my having such a thing, sir.

Well, sir, you never can tell. That's a principle in life with me, sir, if you'll excuse my having such a thing, sir.

嗯，先生，你永远也说不准。这是我生活的原则，先生，请原谅我有这样的事情，先生。

-- George Bernard Shaw 萧伯纳