Quote by Spice-induced narrator/Paul's visions

"He who controls the spice controls the universe."

"The real wealth of the universe lies in a person's ability to change the universe around them."

"Arrakis is the key to the universe. Whoever controls Arrakis controls the spice, and whoever controls the spice controls the fate of the universe."

"The universe operates on a basic principle of economics: everything has its price."