I want to move on to the fourth premise, one of the most important premises in this course.

我想进入第四个前提，这堂课最重要的一个前提。

哈佛公开课 - 幸福课课程节选

I want to end this premise idea by talking a little bit about a person for whom, one of the chief purpose in life was to spread happiness-- Mahatma Gandhi. This is a story about him.

我想以介绍一位,一生致力于，传播快乐的人来结论这个前提-,圣雄甘地，这是关于他的一个故事。

哈佛公开课 - 幸福课课程节选