When therefore they had rowed about twenty-five or thirty stadia,{25 to 30 stadia is about 5 to 6 kilometers or about 3 to 4 miles} they saw Jesus walking on the sea, and drawing near to the boat; and they were afraid.

 Jesus goes on: "My words are spirit and life." He alone can tell us what life is, put into us the spirit in which it must be lived, give us the strength so to live it. Life takes its value from its purpose and its goal. Christ alone can give us true purpose in life, and the power to work out that purpose against the constant opposition that comes from without and within. 