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

I think we must remember that there were people creating and repeating, and working out, and changing a poetic tradition that started in the Mycenaean world and lasted for the rest of Greek history.

我想我们必须记住,这些进行创造和传承的人民,他们仔细刻画,发展成了诗歌的传统,从迈锡尼社会开始,一直延续到希腊历史的剩余部分

耶鲁公开课 - 古希腊历史简介课程节选