Pakistani authorities say security forces detained Taliban spokesman Muslim Khan and four other key militant commanders in what they are describing "a successful" military raid just outside the main town of Mingora in the Swat Valley.

VOA: standard.2009.09.11

And the key is to be true to reality, which is also one of the main themes in the course.

重要的是要真实面对现实，这也是本门课的重要主题之一。

哈佛公开课 - 幸福课课程节选