As early as 1629 Milton is thinking of himself as a poet who has not yet published.

629年弥尔顿刚把自己）,看作是一个诗人,但他那时并没出版什么诗。

耶鲁公开课 - 弥尔顿课程节选

It's not published yet and so I'm going to put chapters from the book that are in fairly final form, and I think you'll find them easy to read, but you don't have to buy it.

还没有出版,所以我会把,书里基本定稿的章节放在网上,我想你们会发现它很容易读懂,而你们也没有必要去买它

耶鲁公开课 - 生物医学工程探索课程节选