Re: Dune - The Book and the 1984 film *spoilers for both*
That is a great literary image, but it's also the context in which Herbert uses it that makes it so powerful.
I love Heretics as it introduces two of my favourite characters: Waff and Odrade. I think with Odrade he'd finally distilled his perfect BG sister. I'm curious if others feel the same, but it felt for me more of a balls-to-the-wall space opera after the introspection of GE. Chapterhouse I probably need to re-read; enjoyed the politicking but felt inconclusive as a finale (as we now know...
"Anál nathrach, orth’ bháis’s bethad, do chél dénmha"