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