But ultimately, the best way, the optimal way spreading happiness is to work on your own happiness, because then you are leading by example.

但最好的方法，传播快乐的最佳方法是努力争取自己的快乐，因为那时你就成为榜样。

哈佛公开课 - 幸福课课程节选

And it works on the principle of trying to figure out how to make your way through the world, how to satisfy your pleasures or, in some cases, how to give up on them.

它试图在现实中找到,满足本我要求的方法，找到追求快乐的方法,有时是去找寻放弃的方法。

耶鲁公开课 - 心理学导论课程节选