Part of the resonance and power of that famous refrain, "a terrible beauty is born," is that this beauty is being born not only in the world but in Yeats's poetry.

部分激发联想的力量,以及那著名的叠唱的力量，一中惊人之美诞生了“,那种美,不仅诞生于现实世界,也诞生于叶芝的诗歌。

耶鲁公开课 - 现代诗歌课程节选

The reason for that I think is that the early times in which these civilizations arose saw all kinds of dangers coming, and the most--the swiftest, the least suspected, the one that could come upon you overnight came from the sea.

在我看来原因是,在这些文明所诞生的早期世界危机四伏,而来的最迅速,最难以预测,最可能,一夜之间骤然降临的灾难,正来自于海上

耶鲁公开课 - 古希腊历史简介课程节选