The test of a man isn’t what you think he’ll do. It’s what he actually does. - Frank Herbert

But you invite ...”

“I invite a bit of military nonsense.”

“That’s what I ...”

“Duncan, I am a teacher. Remember that. By repetition, I impress the lesson.”

“What lesson?”

“The ultimately suicidal nature of military foolishness.

Most civilisation is based on cowardice. It's so easy to civilize by teaching cowardice. You water down the standards which would lead to bravery. You restrain the will. You regulate the appetites. You fence in the horizons. You make a law for every movement. You deny the existence of chaos. You teach even the children to breathe slowly. You tame.

Abandon certainty! That's life's deepest command. That's what life's all about. We're a probe into the unknown, into the uncertain. Why can't you hear Muad'Dib? If certainty is knowing absolutely an absolute future, then that's only death disguised! Such a future becomes now!