"Ideas are most to feared when they become actions," Paul said. - Frank Herbert

Governments may rise and fall for reasons which appear insignificant, Prince. What small events! An argument between two women . . . which way the wind blows on a certain day . . . a sneeze, a cough, the length of a garment or the chance collision of a fleck of sand and a courtier’s eye. It is not always the majestic concerns of Imperial ministers which dictate the course of history, nor is it necessarily the pontifications of priests which move the hands of God.

Dune was aimed at this whole idea of the infallible leader because my view of history says mistakes made by a leader (or made in a leader's name) are amplified by the numbers who follow without question. That's how 900 people wound up in Guyana drinking poison Kool-Aid. That's how the U.S. said "Yes, sir, Mister Charismatic John Kennedy!" and found itself embroiled in Vietnam. That's how Germany said "Sieg Heil!" and murdered more than six million of our fellow human beings.

Shield!” the old woman snapped. “You well know the weakness there! Shield your son too much, Jessica, and he’ll not grow strong enough to fulfill any destiny.