Yeats seems to be insisting through Jane on the necessity of shattering experience to achieve unity of being, which Yeats imagines, again, as the union of opposites.

叶芝似乎通过珍妮坚持,认为经过破碎达到存在的统一,的必要性，所谓的统一，叶芝想象的还是相对立事物的统一。

耶鲁公开课 - 现代诗歌课程节选

It takes up his lifelong quest to reconcile extremities, and to achieve some kind of unity of being.

他一生都在极端之间妥协，为达到某种存在的结合。

耶鲁公开课 - 现代诗歌课程节选