I know it's possible to induce chemical reactions, but these are exceptions. This is not the norm.

我知道催化化学反应是可能的，但是那些是特例，不是常规情况。

麻省理工公开课 - 固态化学导论课程节选

That's certainly one way to do it, but for computers that's not necessarily the easiest way. So another way of solving it is to do something we already saw last time, which is basically, why not simply enumerate all possible examples and check them?

将一个等式代入另一个等式，这当然是一种办法,但是对电脑来说这绝对不是一件简单的事,所以解决这个问题的办法，正如我们上一次看过的,非常基本？

麻省理工公开课 - 计算机科学及编程导论课程节选

If we learn from these experiences in ourselves, the question is no longer whether or not it's possible to experience it more and more in our lives.

如果我们自己吸取这些经验，那么问题就不再是，是否有可能,越来越多地体验它。

哈佛公开课 - 幸福课课程节选

And the research that argues that it's not possible to change,is detrimental.

认为“改变是不可能“的,研究是有害的。

哈佛公开课 - 幸福课课程节选