John 4:47-49

⁴⁷When he heard that Jesus was come out of Judæa into Galilee, he went unto him, and besought him that he would come down, and heal his son; for he was at the point of death.

⁴⁸Jesus therefore said unto him, Except ye see signs and wonders, ye will in no wise believe.

⁴⁹The nobleman saith unto him, Sir, come down ere my child die.