He says, "I believe in the practice and philosophy of what we have agreed to call magic, in what I must call the evocation of spirits, though I do not know what they are."

他说我相信我们所称作的,关于魔法的实践和哲学，我认为那是对灵魂的召唤，尽管我并不知道它们是什么“

耶鲁公开课 - 现代诗歌课程节选

It works its magic, again, through purely instrumental means, so we can't really call those songs, and this puzzled me.

纯器乐的演奏方式,容我重申,能产生神奇的效果,所以我们其实不能把器乐称为歌曲,这让我很困惑

耶鲁公开课 - 聆听音乐课程节选