If you've got a problem that has units associated with it, do the exercise of carrying the units through because, guess what?

如果你做到一个跟单位有关的题目，请你在做题目的时候密切注意它，因为，猜猜是什么？

麻省理工公开课 - 固态化学导论课程节选

At that instant, if you leave anything on the floor, you know it's no longer yours.

这个时候,如果你掉了些什么在地上,它就不再是你的了

耶鲁公开课 - 基础物理课程节选

Well, one way of course is to accept the objection and say " "You're right Death isn't really bad for me " And some philosophers have indeed accepted that very conclusion, maybe Epicurus Most of us want to say " "No, no Death is bad for me" So we need a better answer to the ?" "Oh yeah? When is it bad for you?"

一种方式当然是接受它并说,“你是对的，死亡对我来说真的没什么坏处“,而一些哲学家确实接受了,那个结论，也许比如伊壁鸠鲁,我们大多数人想说,“不，不，死亡对我来说有坏处“,于是我们需要一个更好的答案来回答,“是么？，它什么时候对你有坏处了“

耶鲁公开课 - 死亡课程节选