犯了错误以后如果知道是犯了错误，还有可能改正错误，可是就怕犯了错以后还认为自己是对的，那就可怕了！

If you know a mistake after mistake, there may correct the error, but after a mistake is also afraid that they are right, it is terrible!

youdao

And I want to ask: what is it that we don't see, when that's all we see?

现在我想问问：,当我们都看到了所看到的东西以后，还有什么是我们没有注意到的？

耶鲁公开课 - 1945年后的美国小说课程节选

As a matter of convention and good style which is another theme of the course that we'll focus more - on on Friday onward, it's generally good to-- good style to actually describe in English even succinct English, what your program is doing.

大家要养成一个良好的编程习惯,这是本课程另一个重要的中心思想,我会在本周五还有以后的课堂时间着重强调这个问题-,用简明扼要的语言,描述你的程序，是一种很好的编程风格。

哈佛公开课 - 计算机科学课程节选

I want to make you a richer person, a broader person, by instilling you with an unending deep and abiding understanding of classical music, so that's part of this, and not just here for Yale but for your life after Yale.

我希望你们成为更有内涵的人,心胸更加宽广的人,通过循循善诱,让你们体会到古典音乐的博大精深,这是一点,并不只在耶鲁大学,还有你以后的人生道路

耶鲁公开课 - 聆听音乐课程节选