Dune

Paul gave the short bow his dancing master had taught—the one used “when in doubt of another’s station.” The nuances of Paul’s greeting were not lost on the Reverend Mother. It’s from those suits they wear—call them ‘stillsuits’—that reclaim the body’s own water.” Paul swallowed, suddenly aware of the moisture in his mouth, remembering a dream of thirst. It was as though some step he had taken had plunged him into a well…or into the trough of a wave where the future was invisible. Paul, aware of some of this from the way the time nexus boiled, understood at last why he had never seen Fenring along the webs of prescience.