"On Caladan, we ruled with sea and air power," the Duke said. "Here, we must scrabble for desert power. This is your inheritance, Paul." - Frank Herbert

"There should be a science of discontent. People need hard times and oppression to develop psychic muscles. — from "Collected Sayings of Muad'Dib" by the Princess Irulan"

He 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 is shocking to find how many people do not believe they can learn, and how many more believe learning to be difficult.

You do not beg the sun for mercy.

-Maud'dib's Travail from The Stilgar Commentary