"If you want to bring about change in the world, you can't just be an advocate of somebody else doing it,"

VOA: standard.2009.09.23

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

Margaret Mead, the anthropologist: "Never doubt that a small group of thoughtful, committed citizens can change the world.

人类学家Margaret，Mead说：,“永远不要怀疑一小群，有思想，坚定的市民可以改变世界。

哈佛公开课 - 幸福课课程节选

"Copenhagen can and must be the turning point in the world's efforts to prevent runaway climate change and usher in a new era of green growth for all,".

VOA: standard.2009.12.17

We'll about what individuals can do, what a country can do, what the world can do to help change what are really pretty discouraging numbers.

我们会谈到个人能做些什么,国家能做些什么,世界又能做些什么,去帮助改变这些,令人泄气的数据

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"Be very clear, the issue of climate change is connected to development, it is connected to growth, and no country in the world can accept a freeze on its development,"

VOA: standard.2009.11.27

Clinton,who insisted India can make emission cuts without harming its economy, said she is optimistic the two governments can reach a common approach before the world conference on climate change in Copenhagen in December.

VOA: standard.2009.07.20