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 — … - Frank Herbert

People always want something more than immediate joy or that deeper sense called happiness. This is one of the secrets by which we shape the fulfillment of our designs. The something more assumes amplified power with people who cannot give it a name or who (most often the case) do not even suspect its existence. Most people only react unconsciously to such hidden forces. Thus, we have only to call a calculated something more into existence, define it and give it shape, then people will follow.

There is no measuring Muad'Dib's motives by ordinary standards. In the moment of his triumph, he saw the death prepared for him, yet he accepted the treachery. Can you say he did this out of a sense of justice? Whose justice, then? Remember, we speak now of the Muad'Dib who ordered battle drums made from his enemies' skins, the Muad'Dib who denied the conventions of his ducal past with a wave of the hand, saying merely: 'I am the Kwisatz Haderach. That is reason enough.

You who have defeated us say to yourselves that Babylon is fallen and its works have been overturned. I say to you still that man remains on trial, each man in his own dock. Each man is a little war.