But I do not believe that, objectives of crusaders were purely religious. I understand that , there were many many factors that pushed this campaign into the near east.

不过我不认为，十字军的目的是,完全宗教的，我觉得，有很多因素在背后推动,这个运动走向东方。

普林斯顿公开课 - 人性课程节选

In order to do that,we need to cultivate these traits.

为了达到这目的，我们需用心经营这些情感因素。

哈佛公开课 - 幸福课课程节选