It was as if, when we went through this search tree, we never remembered what we got at the bottom, and we just re-computed things over and over.

如果当我们遍历完这棵树，我们不可能，记得我们在最下面得到什么结果,我们只是不断地重复计算，所以这让。

麻省理工公开课 - 计算机科学及编程导论课程节选

But in fact, it is not. And so, something I find myself repeating over and over again to myself, to my graduate students, is when you get an answer from the computer, always ask yourself, why do I believe it?

但是实际上，它并不是，因此，我一直一遍又一遍的重复的,给我自己和你们这些学生的就是,当计算机给出一个答案后，一定要问问自己为什么要相信这个答案？

麻省理工公开课 - 计算机科学及编程导论课程节选

with someone else who's standing next to you, you're going to sum your numbers together and one of you whoever is fastest probably is going to sit down and the other person is going to take on his or her number, the summation of those numbers; and then you're going to repeat and if you follow the logic here in just a few moments, there should be just one of you very awkwardly standing.

你们需要与站在你下面一个的你结成一对,把你们的数字相加,你们中最快的那个可以坐下,其他人将接着他的那个号码继续进行，计算这些数字的和，以此重复,如果你们遵循了这一逻辑，最后将只有一个人呆呆地站着。

哈佛公开课 - 计算机科学课程节选