John 9:21

18 and he said -- `He is a prophet.` The Jews, therefore, did not believe concerning him that he was blind and did receive sight, till that they called the parents of him who received sight,

19 and they asked them, saying, `Is your son, of whom ye say that he was born blind? how then now doth he see?`

20 His parents answered them and said, `We have known that this is our son, and that he was born blind;

21 and how he now seeth, we have not known; or who opened his eyes, we have not known; himself is of age, ask him; he himself shall speak concerning himself.`

22 These things said his parents, because they were afraid of the Jews, for already had the Jews agreed together, that if any one may confess him -- Christ, he may be put out of the synagogue;

23 because of this his parents said -- `He is of age, ask him.`

24 They called, therefore, a second time the man who was blind, and they said to him, `Give glory to God, we have known that this man is a sinner;`