He's trying to indicate that there are things that we can't really know in a scientific way but we can glimpse.

他想说明有些事,我们并不能通过科学来理解,但我们能知道一点

耶鲁公开课 - 死亡课程节选

Now, phonological understanding illustrates all sorts of aspects of language processing and, in fact, of consciousness.

语音理解实际上说明了,语言加工和意识的各个方面

耶鲁公开课 - 心理学导论课程节选

He's just insisting that we cannot understand writing to be derivative.

他只是想说明我们不能将书写理解成为衍生物。

耶鲁公开课 - 文学理论导论课程节选