Because happiness does not just come spontaneously when we negate unhappiness.

因为快乐不会自发而来,不会因为消除了忧愁，就变得快乐。

哈佛公开课 - 幸福课课程节选

because New York is all about happiness.

因为纽约处处是幸福。

纽约的夜晚很开心 - SpeakingMax英语口语达人

Second reason for having positive psychology's field of study and focusing on what works and focusing on research in happiness,relationships and wellbeing is because happiness does not spontaneously rise when take unhappiness away.

第二个研究积极心理学的原因,研究可行的事和,研究快乐，人际关系，幸福的原因,是因为幸福不会因为驱除了忧愁,而自动增长。

哈佛公开课 - 幸福课课程节选

Why? Because happiness is contagious.

为什么？因为快乐是感染的。

哈佛公开课 - 幸福课课程节选

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

Second, because I think it is one of the most important pillars of wellbeing and happiness.

第二，因为我认为它是,快乐和幸福的最重要支柱之一。

哈佛公开课 - 幸福课课程节选

Because my question, ?" my guiding question was "what would contribute to happiness?"

因为我的问题，我的引导性问题是“什么会对幸福有贡献“

哈佛公开课 - 幸福课课程节选

Because people feel guilty about pursuing their own happiness.

人们为追求自己的快乐感到内疚。

哈佛公开课 - 幸福课课程节选

The final and the fifth premise is an important one; is a philosophical one but one I want to introduce at the beginning of the course so that you understand where I am coming from, where this course is coming from-- because many people say, "Ok, so happiness is important.

最后也是第五个前提很重要;,是一个哲学前提,但我想在课程开始时介绍,你们好理解我讲课的起源，这门课程的来源-,因为很多人说，好的，快乐是重要的。

哈佛公开课 - 幸福课课程节选