At this point, you start to engage your mind and dig into the work required to understand what’s being said. I highly recommend you use marginalia to converse with the author.
From the linked article
Full ownership of a book only comes when you have made it a part of yourself, and the best way to make yourself a part of it— which comes to the same thing— is by writing in it.
Really love that quote - the idea of [[marginalia]] is to write in the margins, take notes as you read - to ask questions and answer them, and context around the highlights.
In turn, [[make the book your own]]