When the ruler of the feast tasted the water now become wine, and didn't know where it came from (but the servants who had drawn the water knew), the ruler of the feast called the bridegroom,

 That must be what Jesus actually said; but in the years to come John saw far more than that in Jesus' saying. He saw in it nothing less than a prophecy of the Resurrection; and John was right. He was right for this basic reason, that the whole round earth could never become the temple of the living God until Jesus was released from the body and was everywhere present; and until he was with men everywhere, even to the end of the world. 