It's not a good thing if you're just looping and checking some condition, but never actually changing the state of the world.

这不是一个好事情，如果你只是循环,检查一些条件，但是永远不要改变世界上的国家。

哈佛公开课 - 计算机科学课程节选

Similarly, though, anybody who says, you should never think about the facts of mortality and the nature of death-- I think that's misguided as well.

但是同样地，任何人说，你应该永远不要想那些人必有一死,和死亡的事实-,我认为那也是有误导的。

耶鲁公开课 - 死亡课程节选

They said--one of the lessons they were told is, never cut a dividend unless you do it as a-- you could do a one time only dividend.

他们说,他们学到了一点,永远不要停止分红,除非你,除非你只是一次性分红

耶鲁公开课 - 金融市场课程节选

Margaret Mead, the anthropologist: "Never doubt that a small group of thoughtful, committed citizens can change the world.

人类学家Margaret，Mead说：,“永远不要怀疑一小群，有思想，坚定的市民可以改变世界。

哈佛公开课 - 幸福课课程节选