For all of Yeats's reactionary moods, even for his indulgence in nostalgia here, he's not a nostalgic poet. And this poem I think shows us what I mean by that.

尽管他有保守的心态，此处也是沉浸在回忆中，但他不是个怀旧诗人,这首诗正表现这点。

耶鲁公开课 - 现代诗歌课程节选