I think we're fully entitled to ask why: why Milton waits for the last eight lines of his poem to tell us that there's a difference, that there's a difference between the poet and the speaker.

我们完全有权利问为什么：,为什么弥尔顿要等到诗的最后8行,才告诉我们这里的区别，这里诗人和演说人之间的区别。

耶鲁公开课 - 弥尔顿课程节选