"We had about over 2000 oysters deployed in our farm and these are the result of over 10 years worth of research and we moved the oysters to Rockefeller Refuge."

VOA: standard.2010.07.13

Aristotle, over 2000 years ago, "Happiness is the meaning and purpose of life, " the whole aim and end of human existence."

二千多年前的亚里斯多德，“快乐是人生的意义和目的，人类存在的最终目标“

哈佛公开课 - 幸福课课程节选

And he talked about this over 200 years ago; Aristotle over 2000 years ago.

他在二百多年前谈到快乐;,亚里斯多德在二千多年前也谈过。

哈佛公开课 - 幸福课课程节选