A good ruler has to learn his world's language, and that's different for every world, the language you don't hear just with your ears. - Frank Herbert

Whether a thought is spoken or not, it is a real thing and has powers of reality.

Warfare leaves a residue of ‘eat drink and be merry’ that often leads inexorably to moral breakdown.

I guess I’m not in the mood for it today,” Paul said. “Mood?” Halleck’s voice betrayed his outrage even through the shield’s filtering. “What has mood to do with it? You fight when the necessity arises — no matter the mood! Mood’s a thing for cattle or making love or playing the baliset. It’s not for fighting.