许多年前，我父亲在他的村子里做了一个小小的改变。

Many years ago my father made a small difference in his village.

youdao

我知道，书籍的确能改变生活；许多读者告诉我说，《数星星》在他们年轻时改变了他们的生活，这本书让他们思索残酷和勇气。

Books do change lives, I know; and many readers have told me that Number the Stars changed theirs when they were young, that it made them think about both cruelty and courage.

youdao

最近我看了这部电影，觉得它很棒- - -它改变了我对类固醇的许多认识。

I watched this film recently, and thought it was fascinating-it changed a lot of my opinions about steroids.

youdao

So the lessons to be learned, after years of watching this, is that the norm is change.

因此在观察许多年后，我发现了经验，改变是一种常态。

普林斯顿公开课 - 领导能力简介课程节选