The earth experiences he says certain periodic destructions and cataclysms civilizations are reduced to barbarism only to recover and grow again.

他说，世界不断经历,阶段性的摧残及剧变,文明虽被降格至野蛮,但终究会复原并再次茁壮。

耶鲁公开课 - 政治哲学导论课程节选

That is a Greek idea of hell, where you got to keep trying and you always lose. So, that's the picture and you have to realize that death is a bad thing.

这就是希腊式的地狱,你不断尝试,却终究会失败,就是这样的场景,你必须得认识到死亡是不好的

耶鲁公开课 - 古希腊历史简介课程节选