In effect, in that middle part of the poem, Yeats collapses creation and destruction, suggesting that the same bestial energy flows through both of these acts.

事实上，在此诗中间部分，叶芝于创造与毁灭中徘徊，暗喻，此间也贯穿着兽性的力量。

耶鲁公开课 - 现代诗歌课程节选

He journeys heroically through chaos in order to find that new planet that he had heard about in heaven, and he's stopped by a figure who holds the keys to hell's gate and who can determine who is able to leave and who is able to enter.

他英勇地穿越过混乱以找到他在天堂听闻过的新星球,他被一个人拦下了,这个人掌管着地狱大门的钥匙并能决定,谁能够从此间进出。

耶鲁公开课 - 弥尔顿课程节选