Because I could've built that in, it says if you change the value of this thing, by the way you need to change recompute those other values in order to make this hold up.

我想要大家通过定义好的方法，来改变实例的值了,因为我可以把这个功能，内置到方法里面去,它的意思就是如果,你改变一个值。

麻省理工公开课 - 计算机科学及编程导论课程节选

I believe that and why do we need to have it as a basic premise of the course, '?" as opposed to change is illusive?"

我相信这一点，但为什么我们需要把它,作为课程的基本前提，而不说'改变是虚幻的“

哈佛公开课 - 幸福课课程节选

It hurts in the long term and therefore, we need to change it rather than the constrained vision-- people who said, "We may not like it, but it is what it is.

长远来说是有害的，所以，我们需要改变它，而认为本性受约束的人-,他们会说，“我们也许不是那样，但本性难移。

哈佛公开课 - 幸福课课程节选