Milton seems to have dug around rather carefully in his copy of the Faerie Queene, and he's come up with this illusion.

弥尔顿似乎极其小心地模仿着《仙后》,且他出现了这样一种幻想。

耶鲁公开课 - 弥尔顿课程节选

But then an old Yalie who took this course when he was very young, and later became an ancient Greek historian, took the wonderfully outlandish device of answering this question.

有一位老耶鲁人在年轻时选了这门课,后来成了一名历史学家,专攻古希腊史,他极其出色地回答了这个问题

耶鲁公开课 - 古希腊历史简介课程节选