John 9:18-20

¹⁸Now the Jews had no belief in the statement that he had been blind and was now able to see, till they sent for the father and mother of the man whose eyes had been made open,

¹⁹And put the question to them, saying, Is this your son, of whom you say that he was blind at birth? how is it then that he is now able to see?

²⁰In answer his father and mother said, We are certain that this is our son and that he was blind at birth: