That path leads ever down into stagnation.

He who controls the spice controls the universe.

The vision of time is broad, but when you pass through it, time becomes a narrow door.

Clinging to any form of conservatism can be dangerous. Become too conservative and you are unprepared for surprises. You cannot depend on luck. Logic is blind and often knows only its own past. Logic is good for playing chess but is often too slow for the needs of survival.

Democracy is susceptible to being led astray by having scapegoats paraded in front of the electorate.

The beginning of knowledge is the discovery of something we do not understand.

We Bene Gesserit sift people to find the humans.