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

Furthermore it would seem that the study of the great books or great thinkers of the past can easily degenerate into a kind of antiquarianism into a sort of pedantry.

更甚之,研究这些巨著或,过往的伟大思想家,更可能轻易地降格为古物癖,或是卖弄学问。

耶鲁公开课 - 政治哲学导论课程节选