Funny

For the Princess Irulan, my father’s daughter, is given to the weaknesses of her sex—the curiosity, the open asking of questions that are better left unasked, a certain pride in her person, and a failure to follow the higher order of discipline. The Bene Gesserit require a deeper pattern of obedience than she can muster.

I mean, whose perspective is this in the story? Writing about something in fiction does not automatically mean endorsement for the viewpoint. It could be he was sexist, but quoting a passage from a fiction story that reads like character POV is not evidence on its own.