Frank Herbert

The Fremen have a simple, practical religion,” he said.“Nothing about religion is simple.

There is no escape—we pay for the violence of our ancestors.

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.

He straightened, assuming an odd attitude of dignity – as though it were another mask.

To be a god can ultimately become boring and degrading. There'd be reason enough for the invention of free will! A god might wish to escape into sleep and be alive only in the unconscious projections of his dream-creatures.

Growth is limited by the necessity which is present in the least amount. And naturally, the least favorable condition controls the growth rate.