That was the foreword to Dune Messiah. "Basically, you can't have nice things because that's what it means to be human." But I would disagree to this conclusi

That was the foreword to Dune Messiah. "Basically, you can't have nice things because that's what it means to be human." But I would disagree to this conclusion. I rather think his goal was (among many others) to show that you cannot have nice things, when your "heros" of the culture stand for glorious war. No matter if it was a "good war" at first.