He who controls the spice controls the universe.

When religion and politics travel in the same cart, the riders believe nothing can stand in their way. Their movements become headlong - faster and faster and faster. They put aside all thoughts of obstacles and forget the precipice does not show itself to the man in a blind rush until it's too late.

the most precious substance in the universe is the spice Melange…The spice extends life… expands consciousness… gives them the ability to fold space…that is, travel to any part of the universe without moving.

The great mass of humankind possesses an unmistakable unit-identity. It can be one thing. It can act as a single organism.

All governments suffer a recurring problem: Power attracts pathological personalities. It is not that power corrupts but that it is magnetic to the corruptible.

Highly organized research is guaranteed to produce nothing new.