Our efforts and devotions are closely related with the sadness and happiness at all times and we are all experiencing what one word is: responsibility.

我们的汗水和心血，时刻与患者的悲喜融在一起，都在大大书写着两个字——责任。

youdao

How to gain, how to keep, how to recover happiness, is in fact for most men at all times the secret motive of all they do, and all they are willing to endure."

如何获得，如何保持，如何重获快乐，是多数人时刻怀有的秘密动机，是他们愿意忍受一切的目的“

哈佛公开课 - 幸福课课程节选