Could be the opposite too. They say a book won't teach you anything you don't already know. I don't think that's literally true, but I do think it's easy to mis

Could be the opposite too. They say a book won't teach you anything you don't already know. I don't think that's literally true, but I do think it's easy to miss what you don't realize is there, and it's why books reward rereading as you age and mature.