Dune question

“I must not fear. Fear is the mind-killer. Fear is the little-death that brings total obliteration. I will face my fear. I will permit it to pass over me and through me. And when it has gone past I will turn the inner eye to see its path. Where the fear has gone there will be nothing. Only I will remain.”

“Muad'Dib learned rapidly because his first training was in how to learn. And the first lesson of all was the basic trust that he could learn. It's shocking to find how many people do not believe they can learn, and how many more believe learning to be difficult. Muad'Dib knew that every experience carries its lesson.”

"Reason is the first victim of strong emotion"

HAWK TUA!

"Thank you for your gift of water, Stilgar."

All of the previously listed are great. There are so many. “Without change something sleeps inside us, and seldom awakens. The sleeper must awaken.” or “The mind commands the body and it obeys. The mind orders itself and meets resistance.”

What do you despise? By this are you truly known.

Arrakis -- Dune -- Desert Planet.

"The spice must flow"

“Do you wrestle with dreams?
Do you contend with shadows?
Do you move in a kind of sleep?
Time has slipped away.
Your life is stolen.
You tarried with trifles,
Victim of your folly.”