Something cannot emerge from nothing.

Answers are a perilous grip on the universe. They can appear sensible yet explain nothing.

Humans live best when each has his place, when each knows where he belongs in the scheme of things. Destroy the place and destroy the person.

Thou shalt not make a machine in the likeness of a human mind.

Absolute power does not corrupt absolutely, absolute power attracts the corruptible.

Seek freedom and become captive of your desires. Seek discipline and find your liberty.

The Fremen were supreme in that quality the ancients called "spannungsbogen" -- which is the self-imposed delay between desire for a thing and the act of reaching out to grasp that thing.