"Listen to me: The spice must flow! The spice has given me excellerated evolution for 4,000 years! It has enabled you to live 200! It gives the Bene Gesserit Sisterhood the metaphysical abillity to see beyond: To have superior powers. Our power to fold space is in the spice! Without us, your empire would be lost. Scattered on isolated planets! You would be lost!"
- The Third-Stage Guild Navigator to Shaddam IV.
"He who controls the spice controls the Universe!"
- The Baron Vladimir Harkonnen.
"The spice must flow."
- Common saying.
- Melange exists in the universe of Dune.