And when you're young, you make mistakes and you do some stupid stuff.

VOA: special.2009.09.14

And will make mistakes. And therefore, you write your programs so that catastrophes don't occur when those mistakes are made.

就是人是很愚蠢的，会犯错误的，因此，你要这样设计你的程序,以达到当犯错误时避免大事故的目的。

麻省理工公开课 - 计算机科学及编程导论课程节选

I should warn you again that I'm very likely to make mistakes when I'm doing this kind of thing, so please catch me I do.

我还得提醒一下大家,我总算错,如果发现错误请马上指出

耶鲁公开课 - 博弈论课程节选