The thematic problems that Milton is attempting to tackle are written into the very grammar and the syntax of the poem.

弥尔顿想要处理的主题,就在诗歌的语法和句子结构里边。

耶鲁公开课 - 弥尔顿课程节选

Student: The beauty of the language and symmetry, the sentence structure, the word choice: I guess going away from the theme, more of just the language.

语言的优美和对称，句子结构，选用的词：,我想除开主题，我更喜欢它的语言。

耶鲁公开课 - 1945年后的美国小说课程节选