How can I talk about or act in my life, ? pursuing my happiness isn't that selfish?

我谈论经营自己的生活，追求自己的快乐，这怎么不是自私？

哈佛公开课 - 幸福课课程节选

The things I spoke about before: pursuing meaning,purpose; cultivating healthy relationships.

这我之前已谈过，追求有意义的生活，人生的目的;,培养健康的人际关系。

哈佛公开课 - 幸福课课程节选