I wanted to think about the principles of learning generally, because the epigraph of the book is like, if you think it's too late, you don't understand what wisdom is.
But more importantly, anyone familiar with the Dune saga will also be familiar with Irulan's work as a historian, with Herbert beginning a significant number of chapters with an epigraph from Irulan's professional writings.
His technique is more like that of Svetlana Alexayovich the Belarusian writer who was awarded the Nobel Prize for literature in 2015 A quote from one of her books stands as the epigraph to wars of the interior.