He's narrating in great detail what happened while he was in the womb. Where does this knowledge come from?

他花了很大笔墨很详细地描写了,他还在子宫里发生的事，但他是怎么知道的呢？

耶鲁公开课 - 1945年后的美国小说课程节选

We know it's an illusion, but we get to live in it so comfortably with so little alteration of the nature of the illusion or of the way in which we negotiate the illusory world, that it becomes kind of womb-like and cozy.

我们知道那是幻觉，但是我们活在其中，如此舒适地,基本不去改变幻觉的本质,也不改变我们在这个幻境中生活的方式，它变得如子宫般安全舒适。

耶鲁公开课 - 文学理论导论课程节选