Addie Byrum,a NGO worker from Pittsburgh,Pennsylvania says the idea is to gather adventure/travelers looking for good times, and combine the event with good works.

VOA: standard.2010.04.01

This is a research by one of the leading researchers, one of the first researches in the area of positive emotions, Alice Isen And she showed, time and again, how feeling good is good for us and good for others, and it works the other way as well.

一位重要的研究者，积极情绪领域的首批研究者之一，进行了这个研究，Alice，Isen。,她反复证明，感觉好如何对我们和他人都有益，反之亦然。

哈佛公开课 - 幸福课课程节选

"We have a good system that works well for many people.

VOA: standard.2009.09.09