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.
the son of Joseph [or Yosef], whose father and mother we know? how is it that he says, I came down from heaven? And Jesus therefore answered and said unto them, Don't murmur among yourselves. For no man can come to me, except the Father which have sent me draw him: and I will raise him up at the last day ( John 6:42-44 ).