The world will change you." In a videotaped message to the Iranian people, Mr.Obama said Friday he is committed to diplomacy to address "serious differences" between the United States and Iran.

VOA: standard.2009.03.21

If you want to spread happiness, "Be the change you want to see in the world." By example.

如果你想传播快乐，“成为你想在世上见到的改变“，以身作则。

哈佛公开课 - 幸福课课程节选

So you are like flunk us if we don't change the world?

要是我们不改变世界，你会让我们不及格？

哈佛公开课 - 幸福课课程节选

One of the things Gandhi said, that he talked about is from his wonderful autobiography, "My experiment with truth"-- " "Be the change you want to see in the world."

甘地说过一件事，出自他的精彩自传，《我的对于真理的实践经历》,“成为你想在世上见到的改变“

哈佛公开课 - 幸福课课程节选

You can change the world, the entire world.

就能改变世界，整个世界。

哈佛公开课 - 幸福课课程节选