The extraordinary authority of Jesus was noticed immediately he preached in the synagogue at Capernaum on a Sabbath (l: 21-22). An even greater manifestation of this authority was in the exorcism of a demon when a demon-possessed man interrupted the Sabbath worship (l: 23-27). There was no ritual but only one brief command from Jesus. 'Be quiet and come out of the man!' Mark gives his readers the first indication of the 'Messianic secret' which is a feature of his gospel. The demon-possessed man knew that in Jesus was the power of God and that he was able to destroy evil (1 :24), but the man, after his restoration to sanity was not to spread the wrong idea around, that Jesus was the Messiah of popular expectation, the political liberator who could rouse the nation with his wonder-working powers. But 1:28 records the fast spread of the news about extraordinary happenings in Capernaum.