What I though I'd do is just tease you with some visuals if you haven't gotten to the point of playing with the staff solution so the themes of problem set 3 are two-fold.

如果你们还没达到使用解决方案的程度,那现在我能做的就是用一些图形为你们梳理一下,习题集3的主题,是两方面的。

哈佛公开课 - 计算机科学课程节选

What we're justified in believing are those things that we need, not simply when they would offer us some kind of explanation, but when they offer us the best explanation that we can think of.

我们确信我们需要某些东西,不仅在于它们为我们提供了某种解释,还在于它们能使我们,想出的最佳解释

耶鲁公开课 - 死亡课程节选

So what we are doing: we cultivate the positive; we are strengthening our,metaphorically speaking, " psychological "engine"; and we are better able to deal with the negative to zero, not to mention the fact that we are also able to become happier.

所以我们在做的是，培养积极性;,按那个比喻来说，我们正在增强，心理“引擎;,我们能够更好将负值转化为零，更别说还能变得更快乐。

哈佛公开课 - 幸福课课程节选

Many of you won't be here the next day, that's what happens with shopping period, and then the third day we see how many folks we have. We do have, for those people who want to take it, a travaux diriges en francais, we have a section that's French speaking.

你们好多人明天估计就不来了,购物季就是这样,然后第三天我们就能看出,还剩多少人,我们倒是为,那些有需求的人准备了,法语授课的课程,有一章节课是法语讲的

耶鲁公开课 - 1871年后的法国课程节选