"

"Paul!" The Duke frowned at his son. "Knowing where the trap is--that's the first step in evading it. This is like single combat, Son, only on a larger scale--a feint within a feint within a feint . . . seemingly without end. The task is to unravel it. Knowing that the Harkonnens stockpile melange, we ask another question: Who else is stockpiling? That's the list of our enemies."

"

-- Duke Leto Atreides

Dune 1:6:32