It is a much scarrier idea than saying I have this, I'm going to do it, I'm going to put it down there as opposed to being open to what may come and being uncertain whether that would be something good enough.

这和，我知道了，我要做这个，我想写这个，这种确定感相比,对可能的结果保持一种开放的心态，不知道,期待能否满足的未知感相比，更挑战一些。

普林斯顿公开课 - 人性课程节选

Everybody's going to put the cup down and assumes it's going to stay there but not fall to the floor.

每个人放下杯子时,都会假设杯子会稳稳地搁在那里,而不是掉在地上。

普林斯顿公开课 - 人性课程节选

Odds are if you're an upperclassman, you've had that experience where it's 12 AM, 1 AM, 2 AM, and you're really starting to stress over the incompletion of some problems that for some course, well frankly what this mechanism allows you to do if you're already 90 percent of the way there, you can call it a night and you can put it down and you could feel good nonetheless about where you got to.

对于上游的同学可能觉得无趣，因为他已经具备了这些经验，这时应该开始关注某些课程中,问题的不完整的部分，如果你已经学会了,里面90%的知识，你可以停工,或者把这门课扔到一边。

哈佛公开课 - 计算机科学课程节选