Spice-induced narrator/Paul's visions

"The spice extends life and expands consciousness."

"Power without purpose is merely tyranny."

"Tomorrow and tomorrow and tomorrow creep in this petty pace."

"Muad'Dib's prescience could see the future, but not the price."

"Plans within plans within plans."

"One cannot have a lasting effect on the universe without understanding it."

"The sleeper must awaken to his power."

"The universe is vast, and we are small."

"The Fremen know the desert as no one else."

"All things must come to an end, but this is not the end."

"Desert creates the nomad; water creates the settlement and trade."

"Water is precious in the desert; time is precious everywhere."

"The desert keeps its secrets."

"What is done is done; tomorrow is unwritten."

"He who controls the spice controls the universe"

"History is a tool of power"

"There is no escape from a woman's subtlety"

"Dreams and genius are never strangers"

"Mercy is the mark of a great man"

"The greatest achievement is simplicity"

"In the desert, all hierarchies collapse"

"No law, no treaty is stronger than the fear of losing the spice."

"The building of an empire is violence. The restraint is the miracle."

"Men thirst for power as plants thirst for water."

"Every man carries the seeds of his own destruction."

"Existence itself is a test we did not choose."

"He who controls the spice controls the universe."

"The spice must flow."

"Without change, something sleeps inside us, and seldom awakens."

"Any road followed precisely to its end leads precisely nowhere."