Dune (Dune #1)

by Frank Herbert

A deafening roar filled the cavern, echoed and re-echoed. They were cheering and chanting: “Ya hya chouhada! Muad’Dib! Muad’Dib! Muad’Dib! Ya hya chouhada!” Jessica translated it to herself: “Long live the fighters of Muad’Dib!”