And bad things can happen really quickly." "That is kind of the coolest thing for me, standing in the start, always being nervous.

VOA: standard.2010.02.09

Weird things, bad things can happen and so one of the lessons too that will be repeated throughout the course is to actually rigorously error check and make sure that you're always thinking about your user being a bad guy.

各种古怪的事情就会蜂拥而至,所以在这个课程中我反复强调,要一丝不苟地检查错误,你就当你的用户是个调皮捣蛋的家伙。

哈佛公开课 - 计算机科学课程节选

Why is disease bad? Well, among other things, it means perhaps that you can't enjoy yourself.

疾病为什么是坏的？不算其他，它意味着你不能享受生活。

耶鲁公开课 - 死亡课程节选

"I don't think anything there was a surprise. What the assessment says is basically, things are catastrophically bad in Afghanistan, which is,I'd say, objectively true, but that things are not unsalvageable, that we can turn this around as long as we stay dedicated to the appropriate strategy and fully resource that strategy.

VOA: standard.2009.09.22

The second thing it's going to do, from a more theoretical point of view, is it's going to suggest to us that actually things aren't quite as bad we thought.

其次,它将,从一个更理论化的角度,告诉我们实际情况,并不像我们想象的那么糟

耶鲁公开课 - 博弈论课程节选