John 9:23

But by what means he now seeth, we know not; or who hath opened his eyes, we know not: he is of age; ask him: he shall speak for himself.

These [words] spake his parents, because they feared the Jews: for the Jews had agreed already, that if any man did confess that he was Christ, he should be put out of the synagogue.

Then again called they the man that was blind, and said unto him, Give God the praise: we know that this man is a sinner.

He answered and said, Whether he be a sinner [or no], I know not: one thing I know, that, whereas I was blind, now I see.