While it brought in many wonderful ideas, talked about the study of well-being, talked about the study of optimism, of kindness, of morality, of virtue, of love, of relationships, of peak experiences, of self-actualization, of empathy.

但它引入了许多精彩的理念，对于幸福感的研究，乐观主义的研究，善良，道德，美德，爱，两性关系，巅峰体验，自我实现，移情。

哈佛公开课 - 幸福课课程节选