Above the strong light through its life saving beings across the dark and angry seas.

VOA: special.2010.05.08

Now, I've been saying kind things about Western civilization, but I would not want to deny that there is a dark side to the western experience and its way of life.

我刚刚一直说的都是西方文明光辉的一面,但我是不得不承认,西方文明,也有它黑暗的一面

耶鲁公开课 - 古希腊历史简介课程节选

There are defense mechanisms, there are biological instincts, neurosis-- and if you understand these very often dark forces, were better able to deal with life: understand as well as improve the quality of life.

还有防卫机制，人类本能论，神经症-,如果你理解这些黑暗势力，就能更好地处理生活：,了解并改善生活质量。

哈佛公开课 - 幸福课课程节选