You've heard of animals chewing off a leg to escape a trap? There's an animal kind of trick. A human would remain in the trap, endure the pain, feigning death that he might kill the trapper and remove a threat to his kind.

What you cannot control, you must accept.

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.

Any road followed precisely to its end leads precisely nowhere. Climb the mountain just a little bit to test it's a mountain. From the top of the mountain, you cannot see the mountain.

Arrakis teaches the attitude of the knife - chopping off what's incomplete and saying: "Now it's complete because it's ended here."

A killer with the manners of a rabbit - this is the most dangerous kind.

Love is not a mood, but a dynamic way of being.