Faith...Before the Miracle

Mark 4:39-41
39 And he arose, and rebuked the wind, and said unto the sea, Peace, be still. And the wind ceased, and there was a great calm.
40 And he said unto them, Why are ye so fearful? how is it that ye have no faith?
41 And they feared exceedingly, and said one to another, What manner of man is this, that even the wind and the sea obey him