The power of linearity is F=k1+k2 if I come across f of x, y, z equals k1 plus k2, if it is a linear equation, I don't have to go and solve it all over again.

线性的威力是,一个方程，如果它是个线性方程，那么我就不用再去解他了。

麻省理工公开课 - 固态化学导论课程节选

Moving a stack of size 3, again, if I want to go over there, I need to make sure I can put the spare one over here before I move the bottom one, I can't cover up any of the smaller ones with the larger one, but I can get it there.

移动上面的三个圆盘的话，我在移动最底下的圆盘之前，同样要确保剩下的,是在另外一个柱子上，因为我不能把大的圆盘,放在小的上面。

麻省理工公开课 - 计算机科学及编程导论课程节选

We will go over and over and over again different case studies where some really interesting aspects of mental life prove to be unconscious.

我们会反复地讨论一些不同的个案研究,这些个案研究都证明了,心理活动的某些方面确实是无意识的。

耶鲁公开课 - 心理学导论课程节选

You could have--you know, snuck into my house, watched my body go to sleep, get up in the morning, follow the body around over the course the day, see it go to sleep again.

你可以偷偷地，溜进我家，看着我的肉体入睡，早上又醒来，你可以跟着我的肉体整天到处跑，到晚上再看着它入睡。

耶鲁公开课 - 死亡课程节选

Now I have the ability to create a loop, that is, to reuse the same pieces of code over and over again as I go around.

现在我们已经学会如何创建循环了，也就是，重复的一遍又一遍的,执行同一片代码。

麻省理工公开课 - 计算机科学及编程导论课程节选