What the world needs, more than anything else, is practical idealists.

世界最需要的，不是其他什么，就是务实的理想主义者。

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And the challenge then is, for us, if our goal is to become practical idealists is to understand what it is that brings about change and then do it.

困难在于，如果我们想成为实践理想主义者,就要理解是什么带来改变然后去做。

哈佛公开课 - 幸福课课程节选

You get people around the world to think about these problems, these issues-- practical idealists who will study what works, who will study the best and through that,make a difference.

让全世界的人们思考这些问题，实际的理想主义者,研究可行的方法，研究最好的个体，他们会带来改变。

哈佛公开课 - 幸福课课程节选

What the world needs, more than anything else,is practical idealists.

世界最需要的，不是其他什么，就是务实的理想主义者。

哈佛公开课 - 幸福课课程节选