Come down ... - The earnestness of the nobleman evinces the deep and tender anxiety of a father. So anxious was he for his son that he was not willing that Jesus should delay a moment - not even to address the people. He still seems to have supposed that Jesus had no power to heal his son except he was present with him.
Related Commentaries of John 4:49
John 4:49
49 The nobleman saith unto him, Sir, come down ere my child die.