A quote from the opening of Chapter 4, "There is art and there is artistry, and they are not the same." is a brilliant nugget for me.
42Pea ʻoku ou ʻilo ʻoku ke ongoʻi maʻu aipē au: ka ko e meʻa ʻi he kakai ʻoku tutuʻu ni, ko ia kuo u lea ai, koeʻuhi ke nau tui naʻa ke fekau au."